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        <link:definition>103 - Statement - CONDENSED CONSOLIDATED BALANCE SHEETS (Parenthetical)</link:definition>

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        <link:definition>104 - Statement - CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS</link:definition>

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        <link:definition>106 - Statement - CONDENSED CONSOLIDATED STATEMENTS OF STOCKHOLDERS&#39; EQUITY (DEFICIT) (Parenthetical)</link:definition>

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        <link:definition>108 - Statement - CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS (Parenthetical)</link:definition>

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        <link:definition>109 - Disclosure - GENERAL</link:definition>

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        <link:usedOn>link:definitionLink</link:usedOn>

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        <link:definition>110 - Disclosure - LIQUIDITY AND GOING CONCERN</link:definition>

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        <link:usedOn>link:definitionLink</link:usedOn>

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        <link:definition>111 - Disclosure - RESTATEMENT OF PRIOR QUARTERS</link:definition>

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        <link:usedOn>link:definitionLink</link:usedOn>

        <link:usedOn>link:calculationLink</link:usedOn>
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      <link:roleType roleURI="http://www.amarantus.com/role/BalanceSheetDetails" id="BalanceSheetDetails">
        <link:definition>112 - Disclosure - BALANCE SHEET DETAILS</link:definition>

        <link:usedOn>link:presentationLink</link:usedOn>

        <link:usedOn>link:definitionLink</link:usedOn>

        <link:usedOn>link:calculationLink</link:usedOn>
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        <link:definition>113 - Disclosure - FAIR VALUE MEASUREMENTS</link:definition>

        <link:usedOn>link:presentationLink</link:usedOn>

        <link:usedOn>link:definitionLink</link:usedOn>

        <link:usedOn>link:calculationLink</link:usedOn>
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        <link:definition>114 - Disclosure - NET LOSS PER SHARE</link:definition>

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        <link:usedOn>link:definitionLink</link:usedOn>

        <link:usedOn>link:calculationLink</link:usedOn>
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        <link:definition>115 - Disclosure - INTANGIBLE ASSETS</link:definition>

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        <link:usedOn>link:definitionLink</link:usedOn>

        <link:usedOn>link:calculationLink</link:usedOn>
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        <link:definition>116 - Disclosure - 8% SENIOR CONVERTIBLE DEBENTURES</link:definition>

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        <link:usedOn>link:definitionLink</link:usedOn>

        <link:usedOn>link:calculationLink</link:usedOn>
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        <link:definition>117 - Disclosure - CONVERTIBLE PROMISSORY NOTES</link:definition>

        <link:usedOn>link:presentationLink</link:usedOn>

        <link:usedOn>link:definitionLink</link:usedOn>

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        <link:definition>118 - Disclosure - DEMAND PROMISSORY NOTE</link:definition>

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        <link:usedOn>link:definitionLink</link:usedOn>

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        <link:definition>119 - Disclosure - COMMITMENTS AND CONTINGENCIES</link:definition>

        <link:usedOn>link:presentationLink</link:usedOn>

        <link:usedOn>link:definitionLink</link:usedOn>

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        <link:definition>120 - Disclosure - COMMON STOCK WARRANTS</link:definition>

        <link:usedOn>link:presentationLink</link:usedOn>

        <link:usedOn>link:definitionLink</link:usedOn>

        <link:usedOn>link:calculationLink</link:usedOn>
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        <link:definition>121 - Disclosure - COMMON STOCK PRIVATE PLACEMENTS</link:definition>

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        <link:usedOn>link:definitionLink</link:usedOn>

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        <link:definition>122 - Disclosure - STOCK OPTION PLANS</link:definition>

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        <link:usedOn>link:definitionLink</link:usedOn>

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        <link:definition>123 - Disclosure - SERIES D PREFERRED STOCK</link:definition>

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        <link:usedOn>link:definitionLink</link:usedOn>

        <link:usedOn>link:calculationLink</link:usedOn>
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        <link:definition>124 - Disclosure - SUBSEQUENT EVENTS</link:definition>

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        <link:usedOn>link:definitionLink</link:usedOn>

        <link:usedOn>link:calculationLink</link:usedOn>
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        <link:definition>125 - Disclosure - GENERAL (Policies)</link:definition>

        <link:usedOn>link:presentationLink</link:usedOn>

        <link:usedOn>link:definitionLink</link:usedOn>

        <link:usedOn>link:calculationLink</link:usedOn>
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      <link:roleType roleURI="http://www.amarantus.com/role/RestatementOfPriorQuartersTables" id="RestatementOfPriorQuartersTables">
        <link:definition>126 - Disclosure - RESTATEMENT OF PRIOR QUARTERS (Tables)</link:definition>

        <link:usedOn>link:presentationLink</link:usedOn>

        <link:usedOn>link:definitionLink</link:usedOn>

        <link:usedOn>link:calculationLink</link:usedOn>
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        <link:definition>127 - Disclosure - BALANCE SHEET DETAILS (Tables)</link:definition>

        <link:usedOn>link:presentationLink</link:usedOn>

        <link:usedOn>link:definitionLink</link:usedOn>

        <link:usedOn>link:calculationLink</link:usedOn>
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      <link:roleType roleURI="http://www.amarantus.com/role/FairValueMeasurementsTables" id="FairValueMeasurementsTables">
        <link:definition>128 - Disclosure - FAIR VALUE MEASUREMENTS (Tables)</link:definition>

        <link:usedOn>link:presentationLink</link:usedOn>

        <link:usedOn>link:definitionLink</link:usedOn>

        <link:usedOn>link:calculationLink</link:usedOn>
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      <link:roleType roleURI="http://www.amarantus.com/role/NetLossPerShareTables" id="NetLossPerShareTables">
        <link:definition>129 - Disclosure - NET LOSS PER SHARE (Tables)</link:definition>

        <link:usedOn>link:presentationLink</link:usedOn>

        <link:usedOn>link:definitionLink</link:usedOn>

        <link:usedOn>link:calculationLink</link:usedOn>
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      <link:roleType roleURI="http://www.amarantus.com/role/IntangibleAssetsTables" id="IntangibleAssetsTables">
        <link:definition>130 - Disclosure - INTANGIBLE ASSETS (Tables)</link:definition>

        <link:usedOn>link:presentationLink</link:usedOn>

        <link:usedOn>link:definitionLink</link:usedOn>

        <link:usedOn>link:calculationLink</link:usedOn>
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      <link:roleType roleURI="http://www.amarantus.com/role/SeniorConvertibleDebenturesTables" id="SeniorConvertibleDebenturesTables">
        <link:definition>131 - Disclosure - 8% SENIOR CONVERTIBLE DEBENTURES (Tables)</link:definition>

        <link:usedOn>link:presentationLink</link:usedOn>

        <link:usedOn>link:definitionLink</link:usedOn>

        <link:usedOn>link:calculationLink</link:usedOn>
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      <link:roleType roleURI="http://www.amarantus.com/role/ConvertiblePromissoryNotesTables" id="ConvertiblePromissoryNotesTables">
        <link:definition>132 - Disclosure - CONVERTIBLE PROMISSORY NOTES (Tables)</link:definition>

        <link:usedOn>link:presentationLink</link:usedOn>

        <link:usedOn>link:definitionLink</link:usedOn>

        <link:usedOn>link:calculationLink</link:usedOn>
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      <link:roleType roleURI="http://www.amarantus.com/role/CommitmentsAndContingenciesTables" id="CommitmentsAndContingenciesTables">
        <link:definition>133 - Disclosure - COMMITMENTS AND CONTINGENCIES (Tables)</link:definition>

        <link:usedOn>link:presentationLink</link:usedOn>

        <link:usedOn>link:definitionLink</link:usedOn>

        <link:usedOn>link:calculationLink</link:usedOn>
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      <link:roleType roleURI="http://www.amarantus.com/role/CommonStockWarrantsTables" id="CommonStockWarrantsTables">
        <link:definition>134 - Disclosure - COMMON STOCK WARRANTS (Tables)</link:definition>

        <link:usedOn>link:presentationLink</link:usedOn>

        <link:usedOn>link:definitionLink</link:usedOn>

        <link:usedOn>link:calculationLink</link:usedOn>
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      <link:roleType roleURI="http://www.amarantus.com/role/StockOptionPlansTables" id="StockOptionPlansTables">
        <link:definition>135 - Disclosure - STOCK OPTION PLANS (Tables)</link:definition>

        <link:usedOn>link:presentationLink</link:usedOn>

        <link:usedOn>link:definitionLink</link:usedOn>

        <link:usedOn>link:calculationLink</link:usedOn>
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      <link:roleType roleURI="http://www.amarantus.com/role/LiquidityAndGoingConcernDetailsTextual" id="LiquidityAndGoingConcernDetailsTextual">
        <link:definition>136 - Disclosure - LIQUIDITY AND GOING CONCERN (Details Textual)</link:definition>

        <link:usedOn>link:presentationLink</link:usedOn>

        <link:usedOn>link:definitionLink</link:usedOn>

        <link:usedOn>link:calculationLink</link:usedOn>
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      <link:roleType roleURI="http://www.amarantus.com/role/RestatementOfPriorQuartersDetails" id="RestatementOfPriorQuartersDetails">
        <link:definition>137 - Disclosure - RESTATEMENT OF PRIOR QUARTERS (Details)</link:definition>

        <link:usedOn>link:presentationLink</link:usedOn>

        <link:usedOn>link:definitionLink</link:usedOn>

        <link:usedOn>link:calculationLink</link:usedOn>
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      <link:roleType roleURI="http://www.amarantus.com/role/BalanceSheetDetailsDetails" id="BalanceSheetDetailsDetails">
        <link:definition>138 - Disclosure - BALANCE SHEET DETAILS (Details)</link:definition>

        <link:usedOn>link:presentationLink</link:usedOn>

        <link:usedOn>link:definitionLink</link:usedOn>

        <link:usedOn>link:calculationLink</link:usedOn>
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      <link:roleType roleURI="http://www.amarantus.com/role/BalanceSheetDetailsDetails1" id="BalanceSheetDetailsDetails1">
        <link:definition>139 - Disclosure - BALANCE SHEET DETAILS (Details 1)</link:definition>

        <link:usedOn>link:presentationLink</link:usedOn>

        <link:usedOn>link:definitionLink</link:usedOn>

        <link:usedOn>link:calculationLink</link:usedOn>
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      <link:roleType roleURI="http://www.amarantus.com/role/BalanceSheetDetailsDetailsTextual" id="BalanceSheetDetailsDetailsTextual">
        <link:definition>140 - Disclosure - BALANCE SHEET DETAILS (Details Textual)</link:definition>

        <link:usedOn>link:presentationLink</link:usedOn>

        <link:usedOn>link:definitionLink</link:usedOn>

        <link:usedOn>link:calculationLink</link:usedOn>
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      <link:roleType roleURI="http://www.amarantus.com/role/FairValueMeasurementsDetails" id="FairValueMeasurementsDetails">
        <link:definition>141 - Disclosure - FAIR VALUE MEASUREMENTS (Details)</link:definition>

        <link:usedOn>link:presentationLink</link:usedOn>

        <link:usedOn>link:definitionLink</link:usedOn>

        <link:usedOn>link:calculationLink</link:usedOn>
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      <link:roleType roleURI="http://www.amarantus.com/role/FairValueMeasurementsDetails1" id="FairValueMeasurementsDetails1">
        <link:definition>142 - Disclosure - FAIR VALUE MEASUREMENTS (Details 1)</link:definition>

        <link:usedOn>link:presentationLink</link:usedOn>

        <link:usedOn>link:definitionLink</link:usedOn>

        <link:usedOn>link:calculationLink</link:usedOn>
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        <link:definition>143 - Disclosure - FAIR VALUE MEASUREMENTS (Details 2)</link:definition>

        <link:usedOn>link:presentationLink</link:usedOn>

        <link:usedOn>link:definitionLink</link:usedOn>

        <link:usedOn>link:calculationLink</link:usedOn>
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        <link:definition>144 - Disclosure - FAIR VALUE MEASUREMENTS (Details 3)</link:definition>

        <link:usedOn>link:presentationLink</link:usedOn>

        <link:usedOn>link:definitionLink</link:usedOn>

        <link:usedOn>link:calculationLink</link:usedOn>
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      <link:roleType roleURI="http://www.amarantus.com/role/FairValueMeasurementsDetailsTextual" id="FairValueMeasurementsDetailsTextual">
        <link:definition>145 - Disclosure - FAIR VALUE MEASUREMENTS (Details Textual)</link:definition>

        <link:usedOn>link:presentationLink</link:usedOn>

        <link:usedOn>link:definitionLink</link:usedOn>

        <link:usedOn>link:calculationLink</link:usedOn>
      </link:roleType>

      <link:roleType roleURI="http://www.amarantus.com/role/NetLossPerShareDetails" id="NetLossPerShareDetails">
        <link:definition>146 - Disclosure - NET LOSS PER SHARE (Details)</link:definition>

        <link:usedOn>link:presentationLink</link:usedOn>

        <link:usedOn>link:definitionLink</link:usedOn>

        <link:usedOn>link:calculationLink</link:usedOn>
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      <link:roleType roleURI="http://www.amarantus.com/role/NetLossPerShareDetailsTextual" id="NetLossPerShareDetailsTextual">
        <link:definition>147 - Disclosure - NET LOSS PER SHARE (Details Textual)</link:definition>

        <link:usedOn>link:presentationLink</link:usedOn>

        <link:usedOn>link:definitionLink</link:usedOn>

        <link:usedOn>link:calculationLink</link:usedOn>
      </link:roleType>

      <link:roleType roleURI="http://www.amarantus.com/role/IntangibleAssetsDetails" id="IntangibleAssetsDetails">
        <link:definition>148 - Disclosure - INTANGIBLE ASSETS (Details)</link:definition>

        <link:usedOn>link:presentationLink</link:usedOn>

        <link:usedOn>link:definitionLink</link:usedOn>

        <link:usedOn>link:calculationLink</link:usedOn>
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      <link:roleType roleURI="http://www.amarantus.com/role/IntangibleAssetsDetails1" id="IntangibleAssetsDetails1">
        <link:definition>149 - Disclosure - INTANGIBLE ASSETS (Details 1)</link:definition>

        <link:usedOn>link:presentationLink</link:usedOn>

        <link:usedOn>link:definitionLink</link:usedOn>

        <link:usedOn>link:calculationLink</link:usedOn>
      </link:roleType>

      <link:roleType roleURI="http://www.amarantus.com/role/SeniorConvertibleDebenturesDetails" id="SeniorConvertibleDebenturesDetails">
        <link:definition>150 - Disclosure - 8% SENIOR CONVERTIBLE DEBENTURES (Details)</link:definition>

        <link:usedOn>link:presentationLink</link:usedOn>

        <link:usedOn>link:definitionLink</link:usedOn>

        <link:usedOn>link:calculationLink</link:usedOn>
      </link:roleType>

      <link:roleType roleURI="http://www.amarantus.com/role/SeniorConvertibleDebenturesDetailsTextual" id="SeniorConvertibleDebenturesDetailsTextual">
        <link:definition>151 - Disclosure - 8% SENIOR CONVERTIBLE DEBENTURES (Details Textual)</link:definition>

        <link:usedOn>link:presentationLink</link:usedOn>

        <link:usedOn>link:definitionLink</link:usedOn>

        <link:usedOn>link:calculationLink</link:usedOn>
      </link:roleType>

      <link:roleType roleURI="http://www.amarantus.com/role/ConvertiblePromissoryNotesDetails" id="ConvertiblePromissoryNotesDetails">
        <link:definition>152 - Disclosure - CONVERTIBLE PROMISSORY NOTES (Details)</link:definition>

        <link:usedOn>link:presentationLink</link:usedOn>

        <link:usedOn>link:definitionLink</link:usedOn>

        <link:usedOn>link:calculationLink</link:usedOn>
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      <link:roleType roleURI="http://www.amarantus.com/role/ConvertiblePromissoryNotesDetailsTextual" id="ConvertiblePromissoryNotesDetailsTextual">
        <link:definition>153 - Disclosure - CONVERTIBLE PROMISSORY NOTES (Details Textual)</link:definition>

        <link:usedOn>link:presentationLink</link:usedOn>

        <link:usedOn>link:definitionLink</link:usedOn>

        <link:usedOn>link:calculationLink</link:usedOn>
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      <link:roleType roleURI="http://www.amarantus.com/role/DemandPromissoryNoteDetailsTextual" id="DemandPromissoryNoteDetailsTextual">
        <link:definition>154 - Disclosure - DEMAND PROMISSORY NOTE (Details Textual)</link:definition>

        <link:usedOn>link:presentationLink</link:usedOn>

        <link:usedOn>link:definitionLink</link:usedOn>

        <link:usedOn>link:calculationLink</link:usedOn>
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      <link:roleType roleURI="http://www.amarantus.com/role/CommitmentsAndContingenciesDetails" id="CommitmentsAndContingenciesDetails">
        <link:definition>155 - Disclosure - COMMITMENTS AND CONTINGENCIES (Details)</link:definition>

        <link:usedOn>link:presentationLink</link:usedOn>

        <link:usedOn>link:definitionLink</link:usedOn>

        <link:usedOn>link:calculationLink</link:usedOn>
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      <link:roleType roleURI="http://www.amarantus.com/role/CommitmentsAndContingenciesDetailsTextual" id="CommitmentsAndContingenciesDetailsTextual">
        <link:definition>156 - Disclosure - COMMITMENTS AND CONTINGENCIES (Details Textual)</link:definition>

        <link:usedOn>link:presentationLink</link:usedOn>

        <link:usedOn>link:definitionLink</link:usedOn>

        <link:usedOn>link:calculationLink</link:usedOn>
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      <link:roleType roleURI="http://www.amarantus.com/role/CommonStockWarrantsDetails" id="CommonStockWarrantsDetails">
        <link:definition>157 - Disclosure - COMMON STOCK WARRANTS (Details)</link:definition>

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        <link:usedOn>link:definitionLink</link:usedOn>

        <link:usedOn>link:calculationLink</link:usedOn>
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      <link:roleType roleURI="http://www.amarantus.com/role/CommonStockWarrantsDetails1" id="CommonStockWarrantsDetails1">
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        <link:usedOn>link:definitionLink</link:usedOn>

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        <link:usedOn>link:definitionLink</link:usedOn>

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        <link:definition>160 - Disclosure - COMMON STOCK PRIVATE PLACEMENTS (Details Textual)</link:definition>

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        <link:usedOn>link:definitionLink</link:usedOn>

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        <link:definition>161 - Disclosure - STOCK OPTION PLANS (Details)</link:definition>

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        <link:usedOn>link:definitionLink</link:usedOn>

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      <link:roleType roleURI="http://www.amarantus.com/role/StockOptionPlansDetails1" id="StockOptionPlansDetails1">
        <link:definition>162 - Disclosure - STOCK OPTION PLANS (Details 1)</link:definition>

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      <link:roleType roleURI="http://www.amarantus.com/role/StockOptionPlansDetails4" id="StockOptionPlansDetails4">
        <link:definition>165 - Disclosure - STOCK OPTION PLANS (Details 4)</link:definition>

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      <link:roleType roleURI="http://www.amarantus.com/role/StockOptionPlansDetailsTextual" id="StockOptionPlansDetailsTextual">
        <link:definition>166 - Disclosure - STOCK OPTION PLANS (Details Textual)</link:definition>

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      <link:roleType roleURI="http://www.amarantus.com/role/SubsequentEventsDetailsTextual" id="SubsequentEventsDetailsTextual">
        <link:definition>167 - Disclosure - SUBSEQUENT EVENTS (Details Textual)</link:definition>

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        <link:usedOn>link:definitionLink</link:usedOn>

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  <element name="AdjustmentsToAdditionalPaidInCapitalLossOnIssuanceOfWarrants" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" nillable="true" xbrli:balance="credit" substitutionGroup="xbrli:item" id="ambs_AdjustmentsToAdditionalPaidInCapitalLossOnIssuanceOfWarrants" />

  <element name="AdjustmentsToAdditionalPaidInCapitalConvertiblePromissoryNotesConvertedAndAssociatedReclassificationOfDerivativeLiability" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" nillable="true" xbrli:balance="credit" substitutionGroup="xbrli:item" id="ambs_AdjustmentsToAdditionalPaidInCapitalConvertiblePromissoryNotesConvertedAndAssociatedReclassificationOfDerivativeLiability" />

  <element name="SeniorConvertibleDebentureIssuance8OneMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="ambs_SeniorConvertibleDebentureIssuance8OneMember" />

  <element name="SeniorConvertibleDebentureIssuance8TwoMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="ambs_SeniorConvertibleDebentureIssuance8TwoMember" />

  <element name="SeniorConvertibleDebentureIssuance8OneAndTwoMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="ambs_SeniorConvertibleDebentureIssuance8OneAndTwoMember" />

  <element name="DebtConversionConvertedInstrumentAmountIncludingInterest" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" nillable="true" xbrli:balance="credit" substitutionGroup="xbrli:item" id="ambs_DebtConversionConvertedInstrumentAmountIncludingInterest" />

  <element name="DebtConversionConvertedInstrumentPrincipalAmount" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" nillable="true" xbrli:balance="credit" substitutionGroup="xbrli:item" id="ambs_DebtConversionConvertedInstrumentPrincipalAmount" />

  <element name="DebtConversionConvertedInstrumentAccruedInterestAmount" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" nillable="true" xbrli:balance="credit" substitutionGroup="xbrli:item" id="ambs_DebtConversionConvertedInstrumentAccruedInterestAmount" />

  <element name="DebtDiscountWrittenOffConvertiblePromissoryNotes" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" nillable="true" xbrli:balance="debit" substitutionGroup="xbrli:item" id="ambs_DebtDiscountWrittenOffConvertiblePromissoryNotes" />

  <element name="ConvertiblePromissoryNotesTable" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrldt:hypercubeItem" id="ambs_ConvertiblePromissoryNotesTable" />

  <element name="ConvertiblePromissoryNotesIssuedToAxis" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrldt:dimensionItem" id="ambs_ConvertiblePromissoryNotesIssuedToAxis" />

  <element name="ConvertiblePromissoryNotesIssuedTDomain" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="ambs_ConvertiblePromissoryNotesIssuedTDomain" />

  <element name="ConvertiblePromissoryNotesIssuedToInvestorsOneMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="ambs_ConvertiblePromissoryNotesIssuedToInvestorsOneMember" />

  <element name="ConvertiblePromissoryNotesIssuedToMMRIMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="ambs_ConvertiblePromissoryNotesIssuedToMMRIMember" />

  <element name="SeniorSecuredConvertiblePromissoryNotesIssuedToInvestorsMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="ambs_SeniorSecuredConvertiblePromissoryNotesIssuedToInvestorsMember" />

  <element name="ConvertiblePromissoryNotesIssuedToInvestorTwoMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="ambs_ConvertiblePromissoryNotesIssuedToInvestorTwoMember" />

  <element name="ConvertiblePromissoryNotesIssuedToInvestorThreeMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="ambs_ConvertiblePromissoryNotesIssuedToInvestorThreeMember" />

  <element name="ConvertiblePromissoryNotesIssuedToInvestorsFourMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="ambs_ConvertiblePromissoryNotesIssuedToInvestorsFourMember" />

  <element name="ConvertiblePromissoryNotesIssuedToInvestorsFiveMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="ambs_ConvertiblePromissoryNotesIssuedToInvestorsFiveMember" />

  <element name="ConvertiblePromissoryNotesAssignedBetweenPartiesMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="ambs_ConvertiblePromissoryNotesAssignedBetweenPartiesMember" />

  <element name="ConvertiblePromissoryNotesPayableIssuanceOneMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="ambs_ConvertiblePromissoryNotesPayableIssuanceOneMember" />

  <element name="ConvertiblePromissoryNotesPayableIssuanceTwoMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="ambs_ConvertiblePromissoryNotesPayableIssuanceTwoMember" />

  <element name="ConvertiblePromissoryNotesPayableIssuanceThreeMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="ambs_ConvertiblePromissoryNotesPayableIssuanceThreeMember" />

  <element name="ConvertiblePromissoryNotesPayableIssuanceFourMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="ambs_ConvertiblePromissoryNotesPayableIssuanceFourMember" />

  <element name="ConvertiblePromissoryNotesPayableIssuanceFiveMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="ambs_ConvertiblePromissoryNotesPayableIssuanceFiveMember" />

  <element name="ConvertiblePromissoryNotesPayableIssuanceSixMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="ambs_ConvertiblePromissoryNotesPayableIssuanceSixMember" />

  <element name="ConvertiblePromissoryNotesPayableIssuanceSevenMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="ambs_ConvertiblePromissoryNotesPayableIssuanceSevenMember" />

  <element name="ConvertiblePromissoryNotesPayableIssuanceEightMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="ambs_ConvertiblePromissoryNotesPayableIssuanceEightMember" />

  <element name="ConvertiblePromissoryNotesPayableIssuanceNineMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="ambs_ConvertiblePromissoryNotesPayableIssuanceNineMember" />

  <element name="ConvertiblePromissoryNotesPayableIssuanceTenMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="ambs_ConvertiblePromissoryNotesPayableIssuanceTenMember" />

  <element name="ConvertiblePromissoryNotesPayableIssuanceElevenMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="ambs_ConvertiblePromissoryNotesPayableIssuanceElevenMember" />

  <element name="ConvertiblePromissoryNotesPayableIssuanceTwelveMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="ambs_ConvertiblePromissoryNotesPayableIssuanceTwelveMember" />

  <element name="ConvertiblePromissoryNotesPayableIssuanceThirteenMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="ambs_ConvertiblePromissoryNotesPayableIssuanceThirteenMember" />

  <element name="ConvertiblePromissoryNotesPayableIssuanceFourteenMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="ambs_ConvertiblePromissoryNotesPayableIssuanceFourteenMember" />

  <element name="ConvertiblePromissoryNotesPayableIssuanceFifteenMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="ambs_ConvertiblePromissoryNotesPayableIssuanceFifteenMember" />

  <element name="ConvertiblePromissoryNotesPayableIssuanceSixteenMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="ambs_ConvertiblePromissoryNotesPayableIssuanceSixteenMember" />

  <element name="ConvertiblePromissoryNotesPayableIssuanceOneToSixteenMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="ambs_ConvertiblePromissoryNotesPayableIssuanceOneToSixteenMember" />

  <element name="IssuanceNumberEighteenMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="ambs_IssuanceNumberEighteenMember" />

  <element name="IssuanceNumberNineteenMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="ambs_IssuanceNumberNineteenMember" />

  <element name="IssuanceNumberTwentyMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="ambs_IssuanceNumberTwentyMember" />

  <element name="IssuanceNumberTwentyOneMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="ambs_IssuanceNumberTwentyOneMember" />

  <element name="IssuanceNumberTwentyTwoMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="ambs_IssuanceNumberTwentyTwoMember" />

  <element name="IssuanceNumberTwentyThreeMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="ambs_IssuanceNumberTwentyThreeMember" />

  <element name="IssuanceNumberTwentyFourMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="ambs_IssuanceNumberTwentyFourMember" />

  <element name="IssuanceNumberTwentyFiveMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="ambs_IssuanceNumberTwentyFiveMember" />

  <element name="IssuanceNumberTwentySixMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="ambs_IssuanceNumberTwentySixMember" />

  <element name="IssuanceNumberTwentySevenMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="ambs_IssuanceNumberTwentySevenMember" />

  <element name="IssuanceNumberTwentyEightMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="ambs_IssuanceNumberTwentyEightMember" />

  <element name="IssuanceNumberTwentyNineMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="ambs_IssuanceNumberTwentyNineMember" />

  <element name="IssuanceNumberThirtyMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="ambs_IssuanceNumberThirtyMember" />

  <element name="DebtInstrumentMaturity" type="xbrli:stringItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="ambs_DebtInstrumentMaturity" />

  <element name="ConvertiblePromissoryNoteAxis" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrldt:dimensionItem" id="ambs_ConvertiblePromissoryNoteAxis" />

  <element name="ConvertiblePromissoryNotDomain" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="ambs_ConvertiblePromissoryNotDomain" />

  <element name="ConvertiblePromissoryNotesIssuedToInvestorsUnderConvertiblePromissoryNoteAgreementMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="ambs_ConvertiblePromissoryNotesIssuedToInvestorsUnderConvertiblePromissoryNoteAgreementMember" />

  <element name="ConvertiblePromissoryNotesIssuedToInvestors1Member" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="ambs_ConvertiblePromissoryNotesIssuedToInvestors1Member" />

  <element name="ConvertiblePromissoryNotesIssuedToInvestors2Member" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="ambs_ConvertiblePromissoryNotesIssuedToInvestors2Member" />

  <element name="ConvertiblePromissoryNotesIssuedToInvestors3Member" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="ambs_ConvertiblePromissoryNotesIssuedToInvestors3Member" />

  <element name="ConvertiblePromissoryNotesIssuedToInvestors4Member" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="ambs_ConvertiblePromissoryNotesIssuedToInvestors4Member" />

  <element name="ConvertiblePromissoryNotesIssuedToInvestors5Member" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="ambs_ConvertiblePromissoryNotesIssuedToInvestors5Member" />

  <element name="ConvertiblePromissoryNotesIssuedToInvestors6Member" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="ambs_ConvertiblePromissoryNotesIssuedToInvestors6Member" />

  <element name="ConvertiblePromissoryNotesIssuedToInvestors7Member" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="ambs_ConvertiblePromissoryNotesIssuedToInvestors7Member" />

  <element name="ConvertiblePromissoryNotesIssuedToInvestors8Member" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="ambs_ConvertiblePromissoryNotesIssuedToInvestors8Member" />

  <element name="ConvertiblePromissoryNotesIssuedAsPartOfROIAgreement1Member" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="ambs_ConvertiblePromissoryNotesIssuedAsPartOfROIAgreement1Member" />

  <element name="ConvertiblePromissoryNotesIssuedAsPartOfRoiAgreement2Member" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="ambs_ConvertiblePromissoryNotesIssuedAsPartOfRoiAgreement2Member" />

  <element name="SecurityPurchaseAgreementWithDominionCapitalLLCMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="ambs_SecurityPurchaseAgreementWithDominionCapitalLLCMember" />

  <element name="SecurityPurchaseAgreementWithDominionCapitalLLCAmendedMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="ambs_SecurityPurchaseAgreementWithDominionCapitalLLCAmendedMember" />

  <element name="SecurityPurchaseAgreementWithInvestorMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="ambs_SecurityPurchaseAgreementWithInvestorMember" />

  <element name="ConvertiblePromissoryNotesIssuedForConversionFromTradeAccountMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="ambs_ConvertiblePromissoryNotesIssuedForConversionFromTradeAccountMember" />

  <element name="ConvertiblePromissoryNotesIssuedToParkinsonsInstituteMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="ambs_ConvertiblePromissoryNotesIssuedToParkinsonsInstituteMember" />

  <element name="TypeOfTransactionAxis" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrldt:dimensionItem" id="ambs_TypeOfTransactionAxis" />

  <element name="TypeOfTransactionDomain" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="ambs_TypeOfTransactionDomain" />

  <element name="RestructuringOfConvertibleDebenturesAndRelatedWarrantsMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="ambs_RestructuringOfConvertibleDebenturesAndRelatedWarrantsMember" />

  <element name="DominionCapitalLlcMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="ambs_DominionCapitalLlcMember" />

  <element name="DominionNoteMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="ambs_DominionNoteMember" />

  <element name="BoardOfDirectorsMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="ambs_BoardOfDirectorsMember" />

  <element name="AscendantPartnersLlcMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="ambs_AscendantPartnersLlcMember" />

  <element name="DebtConversionAccruedInterestAmount" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" nillable="true" xbrli:balance="credit" substitutionGroup="xbrli:item" id="ambs_DebtConversionAccruedInterestAmount" />

  <element name="PaymentOfAccruedInterestNotesPayable" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" nillable="true" xbrli:balance="credit" substitutionGroup="xbrli:item" id="ambs_PaymentOfAccruedInterestNotesPayable" />

  <element name="DemandPromissoryNotesTable" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrldt:hypercubeItem" id="ambs_DemandPromissoryNotesTable" />

  <element name="DemandPromissoryNotesLineItems" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="ambs_DemandPromissoryNotesLineItems" />

  <element name="PaymentsToBeMadeExtendDebtMaturityDate" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" nillable="true" xbrli:balance="debit" substitutionGroup="xbrli:item" id="ambs_PaymentsToBeMadeExtendDebtMaturityDate" />

  <element name="ConvertiblePromissoryNotesIssuedToBySeparateIssuancAxis" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrldt:dimensionItem" id="ambs_ConvertiblePromissoryNotesIssuedToBySeparateIssuancAxis" />

  <element name="ConvertiblePromissoryNotesIssuedToBySeparateIssuancDomain" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="ambs_ConvertiblePromissoryNotesIssuedToBySeparateIssuancDomain" />

  <element name="LpcPurchaseAgreementMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="ambs_LpcPurchaseAgreementMember" />

  <element name="AgreementNameAxis" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrldt:dimensionItem" id="ambs_AgreementNameAxis" />

  <element name="AgreementNameDomain" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="ambs_AgreementNameDomain" />

  <element name="MdxPurchaseAgreementMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="ambs_MdxPurchaseAgreementMember" />

  <element name="PgiLicenseAgreementMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="ambs_PgiLicenseAgreementMember" />

  <element name="SublicenseIncomeMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="ambs_SublicenseIncomeMember" />

  <element name="LeaseRentalPaymentsPerMonth" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" nillable="true" xbrli:balance="debit" substitutionGroup="xbrli:item" id="ambs_LeaseRentalPaymentsPerMonth" />

  <element name="PaymentOfLicenseAgreementMilestoneDevelopmentCost" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" nillable="true" xbrli:balance="credit" substitutionGroup="xbrli:item" id="ambs_PaymentOfLicenseAgreementMilestoneDevelopmentCost" />

  <element name="paymentOfLicenseAgreementMilestoneDevelopmentCostUponCompletion" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" nillable="true" xbrli:balance="credit" substitutionGroup="xbrli:item" id="ambs_paymentOfLicenseAgreementMilestoneDevelopmentCostUponCompletion" />

  <element name="PaymentOfLicenseAgreementMilestoneDevelopmentCostUponSubmissionOfDrugApplication" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" nillable="true" xbrli:balance="credit" substitutionGroup="xbrli:item" id="ambs_PaymentOfLicenseAgreementMilestoneDevelopmentCostUponSubmissionOfDrugApplication" />

  <element name="MilestoneAgreementPaymentDescription" type="xbrli:stringItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="ambs_MilestoneAgreementPaymentDescription" />

  <element name="PaymentsRequiredToPerformResearchActivity" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" nillable="true" xbrli:balance="debit" substitutionGroup="xbrli:item" id="ambs_PaymentsRequiredToPerformResearchActivity" />

  <element name="CommonStockWarrantsAbstract" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="ambs_CommonStockWarrantsAbstract" />

  <element name="WriteoffOfClinicalTrialMaterial" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" nillable="true" xbrli:balance="credit" substitutionGroup="xbrli:item" id="ambs_WriteoffOfClinicalTrialMaterial" />

  <element name="GainLossOnIssuanceOfStock" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" nillable="true" xbrli:balance="credit" substitutionGroup="xbrli:item" id="ambs_GainLossOnIssuanceOfStock" />

  <element name="NoncashInterestExpenseWarrantsandDerivatives" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" nillable="true" xbrli:balance="credit" substitutionGroup="xbrli:item" id="ambs_NoncashInterestExpenseWarrantsandDerivatives" />

  <element name="IncreaseDecreaseInClinicalTrialMaterial" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" nillable="true" xbrli:balance="credit" substitutionGroup="xbrli:item" id="ambs_IncreaseDecreaseInClinicalTrialMaterial" />

  <element name="ConvertibleDebenturesConvertedAndAssociatedReclassificationOfDerivativeLiabilities" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" nillable="true" xbrli:balance="credit" substitutionGroup="xbrli:item" id="ambs_ConvertibleDebenturesConvertedAndAssociatedReclassificationOfDerivativeLiabilities" />

  <element name="DebtDiscountAssociatedWithConvertiblePromissoryNotes" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" nillable="true" xbrli:balance="debit" substitutionGroup="xbrli:item" id="ambs_DebtDiscountAssociatedWithConvertiblePromissoryNotes" />

  <element name="ConvertibleNotesIssuedForPayablesAndAccruedLiabilities" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" nillable="true" xbrli:balance="credit" substitutionGroup="xbrli:item" id="ambs_ConvertibleNotesIssuedForPayablesAndAccruedLiabilities" />

  <element name="ConvertibleNotesPayableIssuedForAccountsPayables" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" nillable="true" xbrli:balance="credit" substitutionGroup="xbrli:item" id="ambs_ConvertibleNotesPayableIssuedForAccountsPayables" />

  <element name="StockIssuedForDeferredFundingFees" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" nillable="true" xbrli:balance="credit" substitutionGroup="xbrli:item" id="ambs_StockIssuedForDeferredFundingFees" />

  <element name="StockSubscription" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" nillable="true" xbrli:balance="debit" substitutionGroup="xbrli:item" id="ambs_StockSubscription" />

  <element name="DeferredFundingFeesChargedToEquityUponSaleOfCommonStock" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" nillable="true" xbrli:balance="credit" substitutionGroup="xbrli:item" id="ambs_DeferredFundingFeesChargedToEquityUponSaleOfCommonStock" />

  <element name="StockIssuedToAcquireOtherAssets" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" nillable="true" xbrli:balance="credit" substitutionGroup="xbrli:item" id="ambs_StockIssuedToAcquireOtherAssets" />

  <element name="ReclassificationOfPreferredStockToEquity" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" nillable="true" xbrli:balance="credit" substitutionGroup="xbrli:item" id="ambs_ReclassificationOfPreferredStockToEquity" />

  <element name="StockIssuedToSatisfyAccountsPayableAndAccruedExpenses" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" nillable="true" xbrli:balance="credit" substitutionGroup="xbrli:item" id="ambs_StockIssuedToSatisfyAccountsPayableAndAccruedExpenses" />

  <element name="StockIssuedForNotesPayable" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" nillable="true" xbrli:balance="credit" substitutionGroup="xbrli:item" id="ambs_StockIssuedForNotesPayable" />

  <element name="StockIssuedForWarrantObligations" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" nillable="true" xbrli:balance="credit" substitutionGroup="xbrli:item" id="ambs_StockIssuedForWarrantObligations" />

  <element name="DebtDiscountForDerivativeConversionFeature" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" nillable="true" xbrli:balance="debit" substitutionGroup="xbrli:item" id="ambs_DebtDiscountForDerivativeConversionFeature" />

  <element name="DebentureAndWarrantTransactionMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="ambs_DebentureAndWarrantTransactionMember" />

  <element name="NewWarrantsMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="ambs_NewWarrantsMember" />

  <element name="WarrantToPurchaseOfCommonStockExercisedDescription" type="xbrli:stringItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="ambs_WarrantToPurchaseOfCommonStockExercisedDescription" />

  <element name="CommonStockWarrantsClosingPricePerShare" type="num:perShareItemType" abstract="false" xbrli:periodType="instant" nillable="true" substitutionGroup="xbrli:item" id="ambs_CommonStockWarrantsClosingPricePerShare" />

  <element name="CommonStockTable" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrldt:hypercubeItem" id="ambs_CommonStockTable" />

  <element name="DepositoryTrustCompanyMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="ambs_DepositoryTrustCompanyMember" />

  <element name="CommonStockLineItems" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="ambs_CommonStockLineItems" />

  <element name="StockPurchaseAgreementDescription" type="xbrli:stringItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="ambs_StockPurchaseAgreementDescription" />

  <element name="EquityFinancingAgreementTerm" type="xbrli:durationItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="ambs_EquityFinancingAgreementTerm" />

  <element name="PercentageOfWeightedAveragePriceDeterminedUnderEquityFinancingAgreement" type="num:percentItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="ambs_PercentageOfWeightedAveragePriceDeterminedUnderEquityFinancingAgreement" />

  <element name="SharesObligatedToPurchaseUnderEquityFinancingAgreement" type="xbrli:sharesItemType" abstract="false" xbrli:periodType="instant" nillable="true" substitutionGroup="xbrli:item" id="ambs_SharesObligatedToPurchaseUnderEquityFinancingAgreement" />

  <element name="SharesIssuableUponEnteringIntoEquityFinancingAgreement" type="xbrli:sharesItemType" abstract="false" xbrli:periodType="instant" nillable="true" substitutionGroup="xbrli:item" id="ambs_SharesIssuableUponEnteringIntoEquityFinancingAgreement" />

  <element name="SharesContingentlyIssuableUnderEquityFinancingAgreement" type="xbrli:sharesItemType" abstract="false" xbrli:periodType="instant" nillable="true" substitutionGroup="xbrli:item" id="ambs_SharesContingentlyIssuableUnderEquityFinancingAgreement" />

  <element name="SharesIssuedUnderEquityFinancingAgreementShares" type="xbrli:sharesItemType" abstract="false" xbrli:periodType="instant" nillable="true" substitutionGroup="xbrli:item" id="ambs_SharesIssuedUnderEquityFinancingAgreementShares" />

  <element name="SharesIssuedUnderEquityFinancingAgreementValue" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" nillable="true" xbrli:balance="credit" substitutionGroup="xbrli:item" id="ambs_SharesIssuedUnderEquityFinancingAgreementValue" />

  <element name="ValueOfSharesObligatedToPurchaseUnderEquityFinancingAgreement" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="instant" nillable="true" xbrli:balance="credit" substitutionGroup="xbrli:item" id="ambs_ValueOfSharesObligatedToPurchaseUnderEquityFinancingAgreement" />

  <element name="SharesIssuableUponEnteringIntoEquityFinancingAgreementTreatedAsDeferredFundingFee" type="xbrli:sharesItemType" abstract="false" xbrli:periodType="instant" nillable="true" substitutionGroup="xbrli:item" id="ambs_SharesIssuableUponEnteringIntoEquityFinancingAgreementTreatedAsDeferredFundingFee" />

  <element name="ValueOfSharesIssuableUponEnteringIntoEquityFinancingAgreementTreatedAsDeferredFundingFee" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="instant" nillable="true" xbrli:balance="credit" substitutionGroup="xbrli:item" id="ambs_ValueOfSharesIssuableUponEnteringIntoEquityFinancingAgreementTreatedAsDeferredFundingFee" />

  <element name="DeferredFundingFeesOffsetAgainstFutureCapitalRaises" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="instant" nillable="true" xbrli:balance="credit" substitutionGroup="xbrli:item" id="ambs_DeferredFundingFeesOffsetAgainstFutureCapitalRaises" />

  <element name="CommonStockIssuedForPurchaseUnderStockPurchaseAgreementInShares" type="xbrli:sharesItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="ambs_CommonStockIssuedForPurchaseUnderStockPurchaseAgreementInShares" />

  <element name="CommonStockIssuedAsConsiderationForStockPurchaseAgreement" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" nillable="true" xbrli:balance="credit" substitutionGroup="xbrli:item" id="ambs_CommonStockIssuedAsConsiderationForStockPurchaseAgreement" />

  <element name="CommonStockIssuedAsConsiderationForStockPurchaseAgreementInShares" type="xbrli:sharesItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="ambs_CommonStockIssuedAsConsiderationForStockPurchaseAgreementInShares" />

  <element name="StockPursuantAgreementDeferredCommitmentFees" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" nillable="true" xbrli:balance="credit" substitutionGroup="xbrli:item" id="ambs_StockPursuantAgreementDeferredCommitmentFees" />

  <element name="StockOptionPlanAbstract" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="ambs_StockOptionPlanAbstract" />

  <element name="SharesAvailableForGrantMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="ambs_SharesAvailableForGrantMember" />

  <element name="NumberOfSharesMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="ambs_NumberOfSharesMember" />

  <element name="WeightedAverageExercisePriceMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="ambs_WeightedAverageExercisePriceMember" />

  <element name="WeightedAverageRemainingContractualTermMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="ambs_WeightedAverageRemainingContractualTermMember" />

  <element name="ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGrossEmployee" type="xbrli:sharesItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="ambs_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGrossEmployee" />

  <element name="ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGrossNonEmployee" type="xbrli:sharesItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="ambs_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGrossNonEmployee" />

  <element name="ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageExercisePriceEmployee" type="num:perShareItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="ambs_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageExercisePriceEmployee" />

  <element name="ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageExercisePriceNonEmployee" type="num:perShareItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="ambs_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageExercisePriceNonEmployee" />

  <element name="SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsOutstandingWeightedAverageRemainingContractualTermEmployeeOne" type="xbrli:durationItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="ambs_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsOutstandingWeightedAverageRemainingContractualTermEmployeeOne" />

  <element name="PreferredStockPlan2012Member" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="ambs_PreferredStockPlan2012Member" />

  <element name="ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedOutstandingNumber" type="xbrli:sharesItemType" abstract="false" xbrli:periodType="instant" nillable="true" substitutionGroup="xbrli:item" id="ambs_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedOutstandingNumber" />

  <element name="SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsOutstandingWeightedAverageRemainingContractualTermEmployee" type="xbrli:durationItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="ambs_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsOutstandingWeightedAverageRemainingContractualTermEmployee" />

  <element name="HarebasedCompensationArrangementBySharebasedPaymentAwardOptionsOutstandingWeightedAverageRemainingContractualTermNonemployee" type="xbrli:durationItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="ambs_HarebasedCompensationArrangementBySharebasedPaymentAwardOptionsOutstandingWeightedAverageRemainingContractualTermNonemployee" />

  <element name="SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsCancelledWeightedAverageRemainingContractualTerm" type="xbrli:durationItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="ambs_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsCancelledWeightedAverageRemainingContractualTerm" />

  <element name="ScheduleOfSharebasedPaymentAwardStockOptionsValuationAssumptionsTable" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrldt:hypercubeItem" id="ambs_ScheduleOfSharebasedPaymentAwardStockOptionsValuationAssumptionsTable" />

  <element name="SharebasedPaymentAwardStockOptionsValuationAssumptionsLineItems" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="ambs_SharebasedPaymentAwardStockOptionsValuationAssumptionsLineItems" />

  <element name="TimeBasedSharesMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="ambs_TimeBasedSharesMember" />

  <element name="MarketBasedSharesMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="ambs_MarketBasedSharesMember" />

  <element name="NonEmployeeMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="ambs_NonEmployeeMember" />

  <element name="ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesInDeficit" type="xbrli:sharesItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="ambs_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesInDeficit" />

  <element name="EltoprazineInlicenseAgreementMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="ambs_EltoprazineInlicenseAgreementMember" />

  <element name="ServiceAgreementMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="ambs_ServiceAgreementMember" />

  <element name="SecuritiesPurchaseAgreementMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="ambs_SecuritiesPurchaseAgreementMember" />

  <element name="OptionAgreementMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="ambs_OptionAgreementMember" />

  <element name="PurchaseAgreementMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="ambs_PurchaseAgreementMember" />

  <element name="PgiDrugDiscoveryLlcMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="ambs_PgiDrugDiscoveryLlcMember" />

  <element name="UniversityOfMassachusettsMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="ambs_UniversityOfMassachusettsMember" />

  <element name="OriginalWarrantsMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="ambs_OriginalWarrantsMember" />

  <element name="DemandPromissoryNoteMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="ambs_DemandPromissoryNoteMember" />

  <element name="SanFranciscoMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="ambs_SanFranciscoMember" />

  <element name="MemoryDxLlcMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="ambs_MemoryDxLlcMember" />

  <element name="ProvistaDiagnosticsIncMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="ambs_ProvistaDiagnosticsIncMember" />

  <element name="LicenseAgreementAxis" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrldt:dimensionItem" id="ambs_LicenseAgreementAxis" />

  <element name="LicenseAgreementDomain" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="ambs_LicenseAgreementDomain" />

  <element name="EffectiveDateOfAgreementMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="ambs_EffectiveDateOfAgreementMember" />

  <element name="SecondAnniversaryMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="ambs_SecondAnniversaryMember" />

  <element name="ThirdAnniversaryMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="ambs_ThirdAnniversaryMember" />

  <element name="FourthThroughSeventhAnniversaryMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="ambs_FourthThroughSeventhAnniversaryMember" />

  <element name="EighthThroughTenthAnniversaryMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="ambs_EighthThroughTenthAnniversaryMember" />

  <element name="EleventhAndEveryAnniversaryThereafterMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="ambs_EleventhAndEveryAnniversaryThereafterMember" />

  <element name="CommonStockIssuedForPurchaseUnderStockPurchaseAgreement" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" nillable="true" xbrli:balance="credit" substitutionGroup="xbrli:item" id="ambs_CommonStockIssuedForPurchaseUnderStockPurchaseAgreement" />

  <element name="LiquidityAndGoingConcernTextBlock" type="nonnum:textBlockItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="ambs_LiquidityAndGoingConcernTextBlock" />

  <element name="DocumentAndEntityInformationAbstract" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="ambs_DocumentAndEntityInformationAbstract" />

  <element name="ConvertiblePreferredStockDividendAccruedDuringPeriod" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" nillable="true" xbrli:balance="credit" substitutionGroup="xbrli:item" id="ambs_ConvertiblePreferredStockDividendAccruedDuringPeriod" />

  <element name="SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsOutstandingWeightedAverageRemainingContractualTermNonemployee" type="xbrli:durationItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="ambs_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsOutstandingWeightedAverageRemainingContractualTermNonemployee" />

  <element name="ScheduleOfOperatingLeasesFutureMinimumPaymentsTable" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrldt:hypercubeItem" id="ambs_ScheduleOfOperatingLeasesFutureMinimumPaymentsTable" />

  <element name="OperatingLeasesFutureMinimumPaymentsLineItems" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="ambs_OperatingLeasesFutureMinimumPaymentsLineItems" />

  <element name="ResearchAndDevelopmentFacilityAgreementMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="ambs_ResearchAndDevelopmentFacilityAgreementMember" />

  <element name="QuarterlyPaymentsRequiredToPerformResearchActivity" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" nillable="true" xbrli:balance="debit" substitutionGroup="xbrli:item" id="ambs_QuarterlyPaymentsRequiredToPerformResearchActivity" />

  <element name="CallForOctober2014Member" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="ambs_CallForOctober2014Member" />

  <element name="CallForApril2014Member" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="ambs_CallForApril2014Member" />

  <element name="CallForSubsequentPeriodMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="ambs_CallForSubsequentPeriodMember" />

  <element name="SetupFeeMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="ambs_SetupFeeMember" />

  <element name="MiscellaneousCostsMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="ambs_MiscellaneousCostsMember" />

  <element name="MasterServiceAgreementMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="ambs_MasterServiceAgreementMember" />

  <element name="InitialMonthlyRentalPayment" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" nillable="true" xbrli:balance="debit" substitutionGroup="xbrli:item" id="ambs_InitialMonthlyRentalPayment" />

  <element name="ScheduleOfShareBasedArrangmentWeightedAverageRemainingContractualTerm" type="xbrli:durationItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="ambs_ScheduleOfShareBasedArrangmentWeightedAverageRemainingContractualTerm" />

  <element name="SeriesEConvertiblePreferredStockMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="ambs_SeriesEConvertiblePreferredStockMember" />
</schema>



