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| | <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="cyto_ReportingEntityLineItems" xlink:to="ifrs-full_ProportionOfOwnershipInterestInSubsidiary" order="1" xbrldt:closed="true"/> |
| | <loc xlink:type="locator" xlink:label="ifrs-full_IssuedCapital" xlink:href="https://xbrl.ifrs.org/taxonomy/2023-03-23/full_ifrs/full_ifrs-cor_2023-03-23.xsd#ifrs-full_IssuedCapital"/> |
| | <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="cyto_ReportingEntityLineItems" xlink:to="ifrs-full_IssuedCapital" order="2" xbrldt:closed="true"/> |
| | <loc xlink:type="locator" xlink:label="ifrs-full_InvestmentFundsPercentageContributedToFairValueOfPlanAssets" xlink:href="https://xbrl.ifrs.org/taxonomy/2023-03-23/full_ifrs/full_ifrs-cor_2023-03-23.xsd#ifrs-full_InvestmentFundsPercentageContributedToFairValueOfPlanAssets"/> |
| | <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="cyto_ReportingEntityLineItems" xlink:to="ifrs-full_InvestmentFundsPercentageContributedToFairValueOfPlanAssets" order="3" xbrldt:closed="true"/> |
| | <loc xlink:type="locator" xlink:label="cyto_SpinningOffPercentage" xlink:href="cyto-20231231.xsd#cyto_SpinningOffPercentage"/> |
| | <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="cyto_ReportingEntityLineItems" xlink:to="cyto_SpinningOffPercentage" order="4" xbrldt:closed="true"/> |
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| <definitionLink xlink:type="extended" xlink:role="http://aurismedical.com/role/BasisofPreparationDetails"> |
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| | <loc xlink:type="locator" xlink:label="cyto_BasisofPreparationDetailsTable" xlink:href="cyto-20231231.xsd#cyto_BasisofPreparationDetailsTable"/> |
| | <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="cyto_BasisofPreparationDetailsLineItems" xlink:to="cyto_BasisofPreparationDetailsTable" order="0" xbrldt:contextElement="segment" xbrldt:closed="true"/> |
| | <loc xlink:type="locator" xlink:label="ifrs-full_GeographicalAreasAxis" xlink:href="https://xbrl.ifrs.org/taxonomy/2023-03-23/full_ifrs/full_ifrs-cor_2023-03-23.xsd#ifrs-full_GeographicalAreasAxis"/> |
| | <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="cyto_BasisofPreparationDetailsTable" xlink:to="ifrs-full_GeographicalAreasAxis" order="0" xbrldt:closed="true"/> |
| | <loc xlink:type="locator" xlink:label="ifrs-full_GeographicalAreasMember" xlink:href="https://xbrl.ifrs.org/taxonomy/2023-03-23/full_ifrs/full_ifrs-cor_2023-03-23.xsd#ifrs-full_GeographicalAreasMember"/> |
| | <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="ifrs-full_GeographicalAreasAxis" xlink:to="ifrs-full_GeographicalAreasMember" order="0" xbrldt:closed="true"/> |
| | <loc xlink:type="locator" xlink:label="ifrs-full_GeographicalAreasMember_0" xlink:href="https://xbrl.ifrs.org/taxonomy/2023-03-23/full_ifrs/full_ifrs-cor_2023-03-23.xsd#ifrs-full_GeographicalAreasMember"/> |
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| | <loc xlink:type="locator" xlink:label="ifrs-full_CategoriesOfRelatedPartiesAxis" xlink:href="https://xbrl.ifrs.org/taxonomy/2023-03-23/full_ifrs/full_ifrs-cor_2023-03-23.xsd#ifrs-full_CategoriesOfRelatedPartiesAxis"/> |
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| | <loc xlink:type="locator" xlink:label="ifrs-full_EntitysTotalForRelatedPartiesMember" xlink:href="https://xbrl.ifrs.org/taxonomy/2023-03-23/full_ifrs/full_ifrs-cor_2023-03-23.xsd#ifrs-full_EntitysTotalForRelatedPartiesMember"/> |
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| | <loc xlink:type="locator" xlink:label="ifrs-full_EntitysTotalForRelatedPartiesMember_0" xlink:href="https://xbrl.ifrs.org/taxonomy/2023-03-23/full_ifrs/full_ifrs-cor_2023-03-23.xsd#ifrs-full_EntitysTotalForRelatedPartiesMember"/> |
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| | <loc xlink:type="locator" xlink:label="ifrs-full_RangeAxis" xlink:href="https://xbrl.ifrs.org/taxonomy/2023-03-23/full_ifrs/full_ifrs-cor_2023-03-23.xsd#ifrs-full_RangeAxis"/> |
| | <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="cyto_BasisofPreparationDetailsTable" xlink:to="ifrs-full_RangeAxis" order="2" xbrldt:closed="true"/> |
| | <loc xlink:type="locator" xlink:label="ifrs-full_RangesMember" xlink:href="https://xbrl.ifrs.org/taxonomy/2023-03-23/full_ifrs/full_ifrs-cor_2023-03-23.xsd#ifrs-full_RangesMember"/> |
| | <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="ifrs-full_RangeAxis" xlink:to="ifrs-full_RangesMember" order="0" xbrldt:closed="true"/> |
| | <loc xlink:type="locator" xlink:label="ifrs-full_RangesMember_0" xlink:href="https://xbrl.ifrs.org/taxonomy/2023-03-23/full_ifrs/full_ifrs-cor_2023-03-23.xsd#ifrs-full_RangesMember"/> |
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| | <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="ifrs-full_GeographicalAreasMember" xlink:to="country_CH" order="0" xbrldt:closed="true"/> |
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| | <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="ifrs-full_GeographicalAreasMember" xlink:to="country_US" order="1" xbrldt:closed="true"/> |
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| | <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="ifrs-full_EntitysTotalForRelatedPartiesMember" xlink:to="cyto_BoardOfDirectorsMember" order="0" xbrldt:closed="true"/> |
| | <loc xlink:type="locator" xlink:label="ifrs-full_BottomOfRangeMember" xlink:href="https://xbrl.ifrs.org/taxonomy/2023-03-23/full_ifrs/full_ifrs-cor_2023-03-23.xsd#ifrs-full_BottomOfRangeMember"/> |
| | <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="ifrs-full_RangesMember" xlink:to="ifrs-full_BottomOfRangeMember" order="0" xbrldt:closed="true"/> |
| | <loc xlink:type="locator" xlink:label="ifrs-full_TopOfRangeMember" xlink:href="https://xbrl.ifrs.org/taxonomy/2023-03-23/full_ifrs/full_ifrs-cor_2023-03-23.xsd#ifrs-full_TopOfRangeMember"/> |
| | <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="ifrs-full_RangesMember" xlink:to="ifrs-full_TopOfRangeMember" order="1" xbrldt:closed="true"/> |
| | <loc xlink:type="locator" xlink:label="ifrs-full_Cash" xlink:href="https://xbrl.ifrs.org/taxonomy/2023-03-23/full_ifrs/full_ifrs-cor_2023-03-23.xsd#ifrs-full_Cash"/> |
| | <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="cyto_BasisofPreparationDetailsLineItems" xlink:to="ifrs-full_Cash" order="1" xbrldt:closed="true"/> |
| | <loc xlink:type="locator" xlink:label="cyto_TaxTerm" xlink:href="cyto-20231231.xsd#cyto_TaxTerm"/> |
| | <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="cyto_BasisofPreparationDetailsLineItems" xlink:to="cyto_TaxTerm" order="2" xbrldt:closed="true"/> |
| | <loc xlink:type="locator" xlink:label="ifrs-full_TaxRateEffectOfTaxLosses" xlink:href="https://xbrl.ifrs.org/taxonomy/2023-03-23/full_ifrs/full_ifrs-cor_2023-03-23.xsd#ifrs-full_TaxRateEffectOfTaxLosses"/> |
| | <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="cyto_BasisofPreparationDetailsLineItems" xlink:to="ifrs-full_TaxRateEffectOfTaxLosses" order="3" xbrldt:closed="true"/> |
| | <loc xlink:type="locator" xlink:label="ifrs-full_CurrentTaxAssets" xlink:href="https://xbrl.ifrs.org/taxonomy/2023-03-23/full_ifrs/full_ifrs-cor_2023-03-23.xsd#ifrs-full_CurrentTaxAssets"/> |
| | <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="cyto_BasisofPreparationDetailsLineItems" xlink:to="ifrs-full_CurrentTaxAssets" order="4" xbrldt:closed="true"/> |
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| <definitionLink xlink:type="extended" xlink:role="http://aurismedical.com/role/MaterialAccountingPoliciesDetails"> |
| | <loc xlink:type="locator" xlink:label="ifrs-full_DisclosureOfChangesInAccountingEstimatesLineItems" xlink:href="https://xbrl.ifrs.org/taxonomy/2023-03-23/full_ifrs/full_ifrs-cor_2023-03-23.xsd#ifrs-full_DisclosureOfChangesInAccountingEstimatesLineItems"/> |
| | <loc xlink:type="locator" xlink:label="cyto_MaterialAccountingPoliciesDetailsTable" xlink:href="cyto-20231231.xsd#cyto_MaterialAccountingPoliciesDetailsTable"/> |
| | <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="ifrs-full_DisclosureOfChangesInAccountingEstimatesLineItems" xlink:to="cyto_MaterialAccountingPoliciesDetailsTable" order="0" xbrldt:contextElement="segment" xbrldt:closed="true"/> |
| | <loc xlink:type="locator" xlink:label="ifrs-full_MeasurementAxis" xlink:href="https://xbrl.ifrs.org/taxonomy/2023-03-23/full_ifrs/full_ifrs-cor_2023-03-23.xsd#ifrs-full_MeasurementAxis"/> |
| | <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="cyto_MaterialAccountingPoliciesDetailsTable" xlink:to="ifrs-full_MeasurementAxis" order="0" xbrldt:closed="true"/> |
| | <loc xlink:type="locator" xlink:label="ifrs-full_AggregatedMeasurementMember" xlink:href="https://xbrl.ifrs.org/taxonomy/2023-03-23/full_ifrs/full_ifrs-cor_2023-03-23.xsd#ifrs-full_AggregatedMeasurementMember"/> |
| | <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="ifrs-full_MeasurementAxis" xlink:to="ifrs-full_AggregatedMeasurementMember" order="0" xbrldt:closed="true"/> |
| | <loc xlink:type="locator" xlink:label="ifrs-full_AggregatedMeasurementMember_0" xlink:href="https://xbrl.ifrs.org/taxonomy/2023-03-23/full_ifrs/full_ifrs-cor_2023-03-23.xsd#ifrs-full_AggregatedMeasurementMember"/> |
| | <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="ifrs-full_MeasurementAxis" xlink:to="ifrs-full_AggregatedMeasurementMember_0" order="1" xbrldt:closed="true"/> |
| | <loc xlink:type="locator" xlink:label="ifrs-full_CategoriesOfRelatedPartiesAxis" xlink:href="https://xbrl.ifrs.org/taxonomy/2023-03-23/full_ifrs/full_ifrs-cor_2023-03-23.xsd#ifrs-full_CategoriesOfRelatedPartiesAxis"/> |
| | <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="cyto_MaterialAccountingPoliciesDetailsTable" xlink:to="ifrs-full_CategoriesOfRelatedPartiesAxis" order="1" xbrldt:closed="true"/> |
| | <loc xlink:type="locator" xlink:label="ifrs-full_EntitysTotalForRelatedPartiesMember" xlink:href="https://xbrl.ifrs.org/taxonomy/2023-03-23/full_ifrs/full_ifrs-cor_2023-03-23.xsd#ifrs-full_EntitysTotalForRelatedPartiesMember"/> |
| | <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="ifrs-full_CategoriesOfRelatedPartiesAxis" xlink:to="ifrs-full_EntitysTotalForRelatedPartiesMember" order="0" xbrldt:closed="true"/> |
| | <loc xlink:type="locator" xlink:label="ifrs-full_EntitysTotalForRelatedPartiesMember_0" xlink:href="https://xbrl.ifrs.org/taxonomy/2023-03-23/full_ifrs/full_ifrs-cor_2023-03-23.xsd#ifrs-full_EntitysTotalForRelatedPartiesMember"/> |
| | <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="ifrs-full_CategoriesOfRelatedPartiesAxis" xlink:to="ifrs-full_EntitysTotalForRelatedPartiesMember_0" order="1" xbrldt:closed="true"/> |
| | <loc xlink:type="locator" xlink:label="ifrs-full_ClassesOfIntangibleAssetsOtherThanGoodwillAxis" xlink:href="https://xbrl.ifrs.org/taxonomy/2023-03-23/full_ifrs/full_ifrs-cor_2023-03-23.xsd#ifrs-full_ClassesOfIntangibleAssetsOtherThanGoodwillAxis"/> |
| | <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="cyto_MaterialAccountingPoliciesDetailsTable" xlink:to="ifrs-full_ClassesOfIntangibleAssetsOtherThanGoodwillAxis" order="2" xbrldt:closed="true"/> |
| | <loc xlink:type="locator" xlink:label="ifrs-full_IntangibleAssetsOtherThanGoodwillMember" xlink:href="https://xbrl.ifrs.org/taxonomy/2023-03-23/full_ifrs/full_ifrs-cor_2023-03-23.xsd#ifrs-full_IntangibleAssetsOtherThanGoodwillMember"/> |
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| | <loc xlink:type="locator" xlink:label="ifrs-full_IntangibleAssetsOtherThanGoodwillMember_0" xlink:href="https://xbrl.ifrs.org/taxonomy/2023-03-23/full_ifrs/full_ifrs-cor_2023-03-23.xsd#ifrs-full_IntangibleAssetsOtherThanGoodwillMember"/> |
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| | <loc xlink:type="locator" xlink:label="ifrs-full_ClassesOfOrdinarySharesAxis" xlink:href="https://xbrl.ifrs.org/taxonomy/2023-03-23/full_ifrs/full_ifrs-cor_2023-03-23.xsd#ifrs-full_ClassesOfOrdinarySharesAxis"/> |
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| | <loc xlink:type="locator" xlink:label="ifrs-full_OrdinarySharesMember" xlink:href="https://xbrl.ifrs.org/taxonomy/2023-03-23/full_ifrs/full_ifrs-cor_2023-03-23.xsd#ifrs-full_OrdinarySharesMember"/> |
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| | <loc xlink:type="locator" xlink:label="ifrs-full_DefinedBenefitPlansAxis" xlink:href="https://xbrl.ifrs.org/taxonomy/2023-03-23/full_ifrs/full_ifrs-cor_2023-03-23.xsd#ifrs-full_DefinedBenefitPlansAxis"/> |
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| | <loc xlink:type="locator" xlink:label="ifrs-full_DefinedBenefitPlansMember" xlink:href="https://xbrl.ifrs.org/taxonomy/2023-03-23/full_ifrs/full_ifrs-cor_2023-03-23.xsd#ifrs-full_DefinedBenefitPlansMember"/> |
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| | <loc xlink:type="locator" xlink:label="ifrs-full_AtFairValueMember" xlink:href="https://xbrl.ifrs.org/taxonomy/2023-03-23/full_ifrs/full_ifrs-cor_2023-03-23.xsd#ifrs-full_AtFairValueMember"/> |
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| | <loc xlink:type="locator" xlink:label="ifrs-full_LicencesMember" xlink:href="https://xbrl.ifrs.org/taxonomy/2023-03-23/full_ifrs/full_ifrs-cor_2023-03-23.xsd#ifrs-full_LicencesMember"/> |
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| | <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="cyto_CapitalAndReservesLineItems" xlink:to="ifrs-full_DilutiveEffectOfConvertibleInstrumentsOnNumberOfOrdinaryShares" order="39" xbrldt:closed="true"/> |
| | <loc xlink:type="locator" xlink:label="ifrs-full_ParValuePerShare" xlink:href="https://xbrl.ifrs.org/taxonomy/2023-03-23/full_ifrs/full_ifrs-cor_2023-03-23.xsd#ifrs-full_ParValuePerShare"/> |
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| | <loc xlink:type="locator" xlink:label="cyto_PurchaseAgreement" xlink:href="cyto-20231231.xsd#cyto_PurchaseAgreement"/> |
| | <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="cyto_CapitalAndReservesLineItems" xlink:to="cyto_PurchaseAgreement" order="41" xbrldt:closed="true"/> |
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| | <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="cyto_CapitalAndReservesLineItems" xlink:to="cyto_CommonSharesForAgreement" order="43" xbrldt:closed="true"/> |
| | <loc xlink:type="locator" xlink:label="cyto_OfferingPrice" xlink:href="cyto-20231231.xsd#cyto_OfferingPrice"/> |
| | <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="cyto_CapitalAndReservesLineItems" xlink:to="cyto_OfferingPrice" order="44" xbrldt:closed="true"/> |
| | <loc xlink:type="locator" xlink:label="cyto_SaleOfCommonStockShares" xlink:href="cyto-20231231.xsd#cyto_SaleOfCommonStockShares"/> |
| | <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="cyto_CapitalAndReservesLineItems" xlink:to="cyto_SaleOfCommonStockShares" order="45" xbrldt:closed="true"/> |
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| | <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="cyto_CapitalAndReservesLineItems" xlink:to="cyto_CommonSharesForAggregate" order="46" xbrldt:closed="true"/> |
| | <loc xlink:type="locator" xlink:label="ifrs-full_ProceedsFromIssueOfOrdinaryShares" xlink:href="https://xbrl.ifrs.org/taxonomy/2023-03-23/full_ifrs/full_ifrs-cor_2023-03-23.xsd#ifrs-full_ProceedsFromIssueOfOrdinaryShares"/> |
| | <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="cyto_CapitalAndReservesLineItems" xlink:to="ifrs-full_ProceedsFromIssueOfOrdinaryShares" order="47" xbrldt:closed="true"/> |
| | <loc xlink:type="locator" xlink:label="ifrs-full_NumberOfSharesAuthorised" xlink:href="https://xbrl.ifrs.org/taxonomy/2023-03-23/full_ifrs/full_ifrs-cor_2023-03-23.xsd#ifrs-full_NumberOfSharesAuthorised"/> |
| | <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="cyto_CapitalAndReservesLineItems" xlink:to="ifrs-full_NumberOfSharesAuthorised" order="48" xbrldt:closed="true"/> |
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| <definitionLink xlink:type="extended" xlink:role="http://aurismedical.com/role/ShareBasedCompensationDetails"> |
| | <loc xlink:type="locator" xlink:label="ifrs-full_DisclosureOfTermsAndConditionsOfSharebasedPaymentArrangementLineItems" xlink:href="https://xbrl.ifrs.org/taxonomy/2023-03-23/full_ifrs/full_ifrs-cor_2023-03-23.xsd#ifrs-full_DisclosureOfTermsAndConditionsOfSharebasedPaymentArrangementLineItems"/> |
| | <loc xlink:type="locator" xlink:label="cyto_ShareBasedCompensationDetailsTable" xlink:href="cyto-20231231.xsd#cyto_ShareBasedCompensationDetailsTable"/> |
| | <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="ifrs-full_DisclosureOfTermsAndConditionsOfSharebasedPaymentArrangementLineItems" xlink:to="cyto_ShareBasedCompensationDetailsTable" order="0" xbrldt:contextElement="segment" xbrldt:closed="true"/> |
| | <loc xlink:type="locator" xlink:label="ifrs-full_RangeAxis" xlink:href="https://xbrl.ifrs.org/taxonomy/2023-03-23/full_ifrs/full_ifrs-cor_2023-03-23.xsd#ifrs-full_RangeAxis"/> |
| | <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="cyto_ShareBasedCompensationDetailsTable" xlink:to="ifrs-full_RangeAxis" order="0" xbrldt:closed="true"/> |
| | <loc xlink:type="locator" xlink:label="ifrs-full_RangesMember" xlink:href="https://xbrl.ifrs.org/taxonomy/2023-03-23/full_ifrs/full_ifrs-cor_2023-03-23.xsd#ifrs-full_RangesMember"/> |
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| | <loc xlink:type="locator" xlink:label="ifrs-full_BottomOfRangeMember" xlink:href="https://xbrl.ifrs.org/taxonomy/2023-03-23/full_ifrs/full_ifrs-cor_2023-03-23.xsd#ifrs-full_BottomOfRangeMember"/> |
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| | <loc xlink:type="locator" xlink:label="ifrs-full_TopOfRangeMember" xlink:href="https://xbrl.ifrs.org/taxonomy/2023-03-23/full_ifrs/full_ifrs-cor_2023-03-23.xsd#ifrs-full_TopOfRangeMember"/> |
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| | <loc xlink:type="locator" xlink:label="ifrs-full_ExpenseFromSharebasedPaymentTransactionsWithEmployees" xlink:href="https://xbrl.ifrs.org/taxonomy/2023-03-23/full_ifrs/full_ifrs-cor_2023-03-23.xsd#ifrs-full_ExpenseFromSharebasedPaymentTransactionsWithEmployees"/> |
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| | <loc xlink:type="locator" xlink:label="cyto_ExercisePriceOfOutstandingSharesOption" xlink:href="cyto-20231231.xsd#cyto_ExercisePriceOfOutstandingSharesOption"/> |
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| | <loc xlink:type="locator" xlink:label="cyto_DeferredIncomeAbstract" xlink:href="cyto-20231231.xsd#cyto_DeferredIncomeAbstract"/> |
| | <loc xlink:type="locator" xlink:label="ifrs-full_DeferredTaxExpenseIncome" xlink:href="https://xbrl.ifrs.org/taxonomy/2023-03-23/full_ifrs/full_ifrs-cor_2023-03-23.xsd#ifrs-full_DeferredTaxExpenseIncome"/> |
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| | <loc xlink:type="locator" xlink:label="cyto_DeferredIncomePaid" xlink:href="cyto-20231231.xsd#cyto_DeferredIncomePaid"/> |
| | <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="cyto_DeferredIncomeAbstract" xlink:to="cyto_DeferredIncomePaid" order="1" xbrldt:closed="true"/> |
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| <definitionLink xlink:type="extended" xlink:role="http://aurismedical.com/role/EmployeeBenefitsDetails"> |
| | <loc xlink:type="locator" xlink:label="ifrs-full_ClassesOfEmployeeBenefitsExpenseAbstract" xlink:href="https://xbrl.ifrs.org/taxonomy/2023-03-23/full_ifrs/full_ifrs-cor_2023-03-23.xsd#ifrs-full_ClassesOfEmployeeBenefitsExpenseAbstract"/> |
| | <loc xlink:type="locator" xlink:label="cyto_InterestRateTerm" xlink:href="cyto-20231231.xsd#cyto_InterestRateTerm"/> |
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| | <loc xlink:type="locator" xlink:label="cyto_WeightedAverageDurationofDefinedBenefitObligation1" xlink:href="cyto-20231231.xsd#cyto_WeightedAverageDurationofDefinedBenefitObligation1"/> |
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| | <loc xlink:type="locator" xlink:label="ifrs-full_EstimateOfContributionsExpectedToBePaidToPlan" xlink:href="https://xbrl.ifrs.org/taxonomy/2023-03-23/full_ifrs/full_ifrs-cor_2023-03-23.xsd#ifrs-full_EstimateOfContributionsExpectedToBePaidToPlan"/> |
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| | <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="cyto_RelatedPartyTransactionsDetailsLineItems" xlink:to="cyto_ExpenseFromSharebasedPaymentTransactionWithEmployees" order="9" xbrldt:closed="true"/> |
| | <loc xlink:type="locator" xlink:label="cyto_AdjustmentsForSharebasedPayment" xlink:href="cyto-20231231.xsd#cyto_AdjustmentsForSharebasedPayment"/> |
| | <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="cyto_RelatedPartyTransactionsDetailsLineItems" xlink:to="cyto_AdjustmentsForSharebasedPayment" order="10" xbrldt:closed="true"/> |
| | <loc xlink:type="locator" xlink:label="cyto_PostemploymentBenefitExpensesDefinedBenefitPlans" xlink:href="cyto-20231231.xsd#cyto_PostemploymentBenefitExpensesDefinedBenefitPlans"/> |
| | <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="cyto_RelatedPartyTransactionsDetailsLineItems" xlink:to="cyto_PostemploymentBenefitExpensesDefinedBenefitPlans" order="11" xbrldt:closed="true"/> |
| | <loc xlink:type="locator" xlink:label="cyto_RelatedPartyTransactions" xlink:href="cyto-20231231.xsd#cyto_RelatedPartyTransactions"/> |
| | <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="cyto_RelatedPartyTransactionsDetailsLineItems" xlink:to="cyto_RelatedPartyTransactions" order="12" xbrldt:closed="true"/> |
| | </definitionLink> |
| <definitionLink xlink:type="extended" xlink:role="http://aurismedical.com/role/LoansDetails"> |
| | <loc xlink:type="locator" xlink:label="cyto_LoanLineItems" xlink:href="cyto-20231231.xsd#cyto_LoanLineItems"/> |
| | <loc xlink:type="locator" xlink:label="cyto_LoansDetailsTable" xlink:href="cyto-20231231.xsd#cyto_LoansDetailsTable"/> |
| | <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="cyto_LoanLineItems" xlink:to="cyto_LoansDetailsTable" order="0" xbrldt:contextElement="segment" xbrldt:closed="true"/> |
| | <loc xlink:type="locator" xlink:label="srt_TitleOfIndividualAxis" xlink:href="https://xbrl.fasb.org/srt/2023/elts/srt-2023.xsd#srt_TitleOfIndividualAxis"/> |
| | <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="cyto_LoansDetailsTable" xlink:to="srt_TitleOfIndividualAxis" order="0" xbrldt:closed="true"/> |
| | <loc xlink:type="locator" xlink:label="srt_TitleOfIndividualWithRelationshipToEntityDomain" xlink:href="https://xbrl.fasb.org/srt/2023/elts/srt-2023.xsd#srt_TitleOfIndividualWithRelationshipToEntityDomain"/> |
| | <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="srt_TitleOfIndividualAxis" xlink:to="srt_TitleOfIndividualWithRelationshipToEntityDomain" order="0" xbrldt:closed="true"/> |
| | <loc xlink:type="locator" xlink:label="srt_TitleOfIndividualWithRelationshipToEntityDomain_0" xlink:href="https://xbrl.fasb.org/srt/2023/elts/srt-2023.xsd#srt_TitleOfIndividualWithRelationshipToEntityDomain"/> |
| | <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="srt_TitleOfIndividualAxis" xlink:to="srt_TitleOfIndividualWithRelationshipToEntityDomain_0" order="1" xbrldt:closed="true"/> |
| | <loc xlink:type="locator" xlink:label="cyto_MrMeyerLentMember" xlink:href="cyto-20231231.xsd#cyto_MrMeyerLentMember"/> |
| | <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="srt_TitleOfIndividualWithRelationshipToEntityDomain" xlink:to="cyto_MrMeyerLentMember" order="0" xbrldt:closed="true"/> |
| | <loc xlink:type="locator" xlink:label="cyto_PricingOfConversionDescription" xlink:href="cyto-20231231.xsd#cyto_PricingOfConversionDescription"/> |
| | <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="cyto_LoanLineItems" xlink:to="cyto_PricingOfConversionDescription" order="1" xbrldt:closed="true"/> |
| | <loc xlink:type="locator" xlink:label="cyto_RevaluationLossFromDerivativeFinancialInstrumentsinDollars" xlink:href="cyto-20231231.xsd#cyto_RevaluationLossFromDerivativeFinancialInstrumentsinDollars"/> |
| | <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="cyto_LoanLineItems" xlink:to="cyto_RevaluationLossFromDerivativeFinancialInstrumentsinDollars" order="2" xbrldt:closed="true"/> |
| | <loc xlink:type="locator" xlink:label="cyto_ConvertibleLoanAgreementAmount" xlink:href="cyto-20231231.xsd#cyto_ConvertibleLoanAgreementAmount"/> |
| | <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="cyto_LoanLineItems" xlink:to="cyto_ConvertibleLoanAgreementAmount" order="3" xbrldt:closed="true"/> |
| | <loc xlink:type="locator" xlink:label="ifrs-full_BorrowingsInterestRate" xlink:href="https://xbrl.ifrs.org/taxonomy/2023-03-23/full_ifrs/full_ifrs-cor_2023-03-23.xsd#ifrs-full_BorrowingsInterestRate"/> |
| | <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="cyto_LoanLineItems" xlink:to="ifrs-full_BorrowingsInterestRate" order="4" xbrldt:closed="true"/> |
| | <loc xlink:type="locator" xlink:label="cyto_ConvertibleLoanAgreement" xlink:href="cyto-20231231.xsd#cyto_ConvertibleLoanAgreement"/> |
| | <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="cyto_LoanLineItems" xlink:to="cyto_ConvertibleLoanAgreement" order="5" xbrldt:closed="true"/> |
| | <loc xlink:type="locator" xlink:label="cyto_PercentageOfConvertibleLoan" xlink:href="cyto-20231231.xsd#cyto_PercentageOfConvertibleLoan"/> |
| | <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="cyto_LoanLineItems" xlink:to="cyto_PercentageOfConvertibleLoan" order="6" xbrldt:closed="true"/> |
| | <loc xlink:type="locator" xlink:label="cyto_ConversionPricePerShare" xlink:href="cyto-20231231.xsd#cyto_ConversionPricePerShare"/> |
| | <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="cyto_LoanLineItems" xlink:to="cyto_ConversionPricePerShare" order="7" xbrldt:closed="true"/> |
| | <loc xlink:type="locator" xlink:label="cyto_CommonShares" xlink:href="cyto-20231231.xsd#cyto_CommonShares"/> |
| | <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="cyto_LoanLineItems" xlink:to="cyto_CommonShares" order="8" xbrldt:closed="true"/> |
| | <loc xlink:type="locator" xlink:label="cyto_ExercisePrice" xlink:href="cyto-20231231.xsd#cyto_ExercisePrice"/> |
| | <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="cyto_LoanLineItems" xlink:to="cyto_ExercisePrice" order="9" xbrldt:closed="true"/> |
| | <loc xlink:type="locator" xlink:label="cyto_CashPlus" xlink:href="cyto-20231231.xsd#cyto_CashPlus"/> |
| | <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="cyto_LoanLineItems" xlink:to="cyto_CashPlus" order="10" xbrldt:closed="true"/> |
| | <loc xlink:type="locator" xlink:label="ifrs-full_WeightedAverageLesseesIncrementalBorrowingRateAppliedToLeaseLiabilitiesRecognisedAtDateOfInitialApplicationOfIFRS16" xlink:href="https://xbrl.ifrs.org/taxonomy/2023-03-23/full_ifrs/full_ifrs-cor_2023-03-23.xsd#ifrs-full_WeightedAverageLesseesIncrementalBorrowingRateAppliedToLeaseLiabilitiesRecognisedAtDateOfInitialApplicationOfIFRS16"/> |
| | <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="cyto_LoanLineItems" xlink:to="ifrs-full_WeightedAverageLesseesIncrementalBorrowingRateAppliedToLeaseLiabilitiesRecognisedAtDateOfInitialApplicationOfIFRS16" order="11" xbrldt:closed="true"/> |
| | <loc xlink:type="locator" xlink:label="cyto_PurchaseOfWarrants" xlink:href="cyto-20231231.xsd#cyto_PurchaseOfWarrants"/> |
| | <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="cyto_LoanLineItems" xlink:to="cyto_PurchaseOfWarrants" order="12" xbrldt:closed="true"/> |
| | <loc xlink:type="locator" xlink:label="cyto_warrantsExerciseShare" xlink:href="cyto-20231231.xsd#cyto_warrantsExerciseShare"/> |
| | <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="cyto_LoanLineItems" xlink:to="cyto_warrantsExerciseShare" order="13" xbrldt:closed="true"/> |
| | <loc xlink:type="locator" xlink:label="cyto_IssuanceTerm" xlink:href="cyto-20231231.xsd#cyto_IssuanceTerm"/> |
| | <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="cyto_LoanLineItems" xlink:to="cyto_IssuanceTerm" order="14" xbrldt:closed="true"/> |
| | <loc xlink:type="locator" xlink:label="cyto_UnconvertedOutstandingLoanAmounted" xlink:href="cyto-20231231.xsd#cyto_UnconvertedOutstandingLoanAmounted"/> |
| | <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="cyto_LoanLineItems" xlink:to="cyto_UnconvertedOutstandingLoanAmounted" order="15" xbrldt:closed="true"/> |
| | <loc xlink:type="locator" xlink:label="ifrs-full_IssueOfEquity" xlink:href="https://xbrl.ifrs.org/taxonomy/2023-03-23/full_ifrs/full_ifrs-cor_2023-03-23.xsd#ifrs-full_IssueOfEquity"/> |
| | <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="cyto_LoanLineItems" xlink:to="ifrs-full_IssueOfEquity" order="16" xbrldt:closed="true"/> |
| | <loc xlink:type="locator" xlink:label="cyto_CarryingsAmount" xlink:href="cyto-20231231.xsd#cyto_CarryingsAmount"/> |
| | <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="cyto_LoanLineItems" xlink:to="cyto_CarryingsAmount" order="17" xbrldt:closed="true"/> |
| | <loc xlink:type="locator" xlink:label="cyto_PrincipalAmount" xlink:href="cyto-20231231.xsd#cyto_PrincipalAmount"/> |
| | <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="cyto_LoanLineItems" xlink:to="cyto_PrincipalAmount" order="18" xbrldt:closed="true"/> |
| | <loc xlink:type="locator" xlink:label="cyto_ConvertibleLoanPerShare" xlink:href="cyto-20231231.xsd#cyto_ConvertibleLoanPerShare"/> |
| | <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="cyto_LoanLineItems" xlink:to="cyto_ConvertibleLoanPerShare" order="19" xbrldt:closed="true"/> |
| | <loc xlink:type="locator" xlink:label="ifrs-full_WeightedAverageExercisePriceOfShareOptionsExpiredInSharebasedPaymentArrangement2019" xlink:href="https://xbrl.ifrs.org/taxonomy/2023-03-23/full_ifrs/full_ifrs-cor_2023-03-23.xsd#ifrs-full_WeightedAverageExercisePriceOfShareOptionsExpiredInSharebasedPaymentArrangement2019"/> |
| | <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="cyto_LoanLineItems" xlink:to="ifrs-full_WeightedAverageExercisePriceOfShareOptionsExpiredInSharebasedPaymentArrangement2019" order="20" xbrldt:closed="true"/> |
| | <loc xlink:type="locator" xlink:label="cyto_CommonShare" xlink:href="cyto-20231231.xsd#cyto_CommonShare"/> |
| | <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="cyto_LoanLineItems" xlink:to="cyto_CommonShare" order="21" xbrldt:closed="true"/> |
| | <loc xlink:type="locator" xlink:label="cyto_ConvertibleLoanDescription" xlink:href="cyto-20231231.xsd#cyto_ConvertibleLoanDescription"/> |
| | <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="cyto_LoanLineItems" xlink:to="cyto_ConvertibleLoanDescription" order="22" xbrldt:closed="true"/> |
| | <loc xlink:type="locator" xlink:label="cyto_DescriptionOfExpectedVolatilityrate" xlink:href="cyto-20231231.xsd#cyto_DescriptionOfExpectedVolatilityrate"/> |
| | <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="cyto_LoanLineItems" xlink:to="cyto_DescriptionOfExpectedVolatilityrate" order="23" xbrldt:closed="true"/> |
| | <loc xlink:type="locator" xlink:label="cyto_DerivativeAmounts" xlink:href="cyto-20231231.xsd#cyto_DerivativeAmounts"/> |
| | <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="cyto_LoanLineItems" xlink:to="cyto_DerivativeAmounts" order="24" xbrldt:closed="true"/> |
| | <loc xlink:type="locator" xlink:label="cyto_FairValueMeasurementAmount" xlink:href="cyto-20231231.xsd#cyto_FairValueMeasurementAmount"/> |
| | <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="cyto_LoanLineItems" xlink:to="cyto_FairValueMeasurementAmount" order="25" xbrldt:closed="true"/> |
| | <loc xlink:type="locator" xlink:label="cyto_TransactionsCosts" xlink:href="cyto-20231231.xsd#cyto_TransactionsCosts"/> |
| | <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="cyto_LoanLineItems" xlink:to="cyto_TransactionsCosts" order="26" xbrldt:closed="true"/> |
| | </definitionLink> |
| <definitionLink xlink:type="extended" xlink:role="http://aurismedical.com/role/WarrantsfromPublicOfferingDetails"> |
| | <loc xlink:type="locator" xlink:label="cyto_WarrantsFromPublicOfferingLineItems" xlink:href="cyto-20231231.xsd#cyto_WarrantsFromPublicOfferingLineItems"/> |
| | <loc xlink:type="locator" xlink:label="cyto_WarrantsfromPublicOfferingDetailsTable" xlink:href="cyto-20231231.xsd#cyto_WarrantsfromPublicOfferingDetailsTable"/> |
| | <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="cyto_WarrantsFromPublicOfferingLineItems" xlink:to="cyto_WarrantsfromPublicOfferingDetailsTable" order="0" xbrldt:contextElement="segment" xbrldt:closed="true"/> |
| | <loc xlink:type="locator" xlink:label="ifrs-full_TypesOfAntidilutiveInstrumentsAxis" xlink:href="https://xbrl.ifrs.org/taxonomy/2023-03-23/full_ifrs/full_ifrs-cor_2023-03-23.xsd#ifrs-full_TypesOfAntidilutiveInstrumentsAxis"/> |
| | <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="cyto_WarrantsfromPublicOfferingDetailsTable" xlink:to="ifrs-full_TypesOfAntidilutiveInstrumentsAxis" order="0" xbrldt:closed="true"/> |
| | <loc xlink:type="locator" xlink:label="ifrs-full_AntidilutiveInstrumentsMember" xlink:href="https://xbrl.ifrs.org/taxonomy/2023-03-23/full_ifrs/full_ifrs-cor_2023-03-23.xsd#ifrs-full_AntidilutiveInstrumentsMember"/> |
| | <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="ifrs-full_TypesOfAntidilutiveInstrumentsAxis" xlink:to="ifrs-full_AntidilutiveInstrumentsMember" order="0" xbrldt:closed="true"/> |
| | <loc xlink:type="locator" xlink:label="ifrs-full_AntidilutiveInstrumentsMember_0" xlink:href="https://xbrl.ifrs.org/taxonomy/2023-03-23/full_ifrs/full_ifrs-cor_2023-03-23.xsd#ifrs-full_AntidilutiveInstrumentsMember"/> |
| | <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="ifrs-full_TypesOfAntidilutiveInstrumentsAxis" xlink:to="ifrs-full_AntidilutiveInstrumentsMember_0" order="1" xbrldt:closed="true"/> |
| | <loc xlink:type="locator" xlink:label="srt_CurrencyAxis" xlink:href="https://xbrl.fasb.org/srt/2023/elts/srt-2023.xsd#srt_CurrencyAxis"/> |
| | <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="cyto_WarrantsfromPublicOfferingDetailsTable" xlink:to="srt_CurrencyAxis" order="1" xbrldt:closed="true"/> |
| | <loc xlink:type="locator" xlink:label="currency_AllCurrenciesDomain" xlink:href="https://xbrl.sec.gov/currency/2023/currency-2023.xsd#currency_AllCurrenciesDomain"/> |
| | <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="srt_CurrencyAxis" xlink:to="currency_AllCurrenciesDomain" order="0" xbrldt:closed="true"/> |
| | <loc xlink:type="locator" xlink:label="currency_AllCurrenciesDomain_0" xlink:href="https://xbrl.sec.gov/currency/2023/currency-2023.xsd#currency_AllCurrenciesDomain"/> |
| | <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="srt_CurrencyAxis" xlink:to="currency_AllCurrenciesDomain_0" order="1" xbrldt:closed="true"/> |
| | <loc xlink:type="locator" xlink:label="ifrs-full_WarrantsMember" xlink:href="https://xbrl.ifrs.org/taxonomy/2023-03-23/full_ifrs/full_ifrs-cor_2023-03-23.xsd#ifrs-full_WarrantsMember"/> |
| | <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="ifrs-full_AntidilutiveInstrumentsMember" xlink:to="ifrs-full_WarrantsMember" order="0" xbrldt:closed="true"/> |
| | <loc xlink:type="locator" xlink:label="currency_CHF" xlink:href="https://xbrl.sec.gov/currency/2023/currency-2023.xsd#currency_CHF"/> |
| | <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="currency_AllCurrenciesDomain" xlink:to="currency_CHF" order="0" xbrldt:closed="true"/> |
| | <loc xlink:type="locator" xlink:label="cyto_PublicOffering" xlink:href="cyto-20231231.xsd#cyto_PublicOffering"/> |
| | <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="cyto_WarrantsFromPublicOfferingLineItems" xlink:to="cyto_PublicOffering" order="1" xbrldt:closed="true"/> |
| | <loc xlink:type="locator" xlink:label="cyto_PreFundedWarrants" xlink:href="cyto-20231231.xsd#cyto_PreFundedWarrants"/> |
| | <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="cyto_WarrantsFromPublicOfferingLineItems" xlink:to="cyto_PreFundedWarrants" order="2" xbrldt:closed="true"/> |
| | <loc xlink:type="locator" xlink:label="cyto_CommonShares" xlink:href="cyto-20231231.xsd#cyto_CommonShares"/> |
| | <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="cyto_WarrantsFromPublicOfferingLineItems" xlink:to="cyto_CommonShares" order="3" xbrldt:closed="true"/> |
| | <loc xlink:type="locator" xlink:label="cyto_PublicOfferingPrice" xlink:href="cyto-20231231.xsd#cyto_PublicOfferingPrice"/> |
| | <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="cyto_WarrantsFromPublicOfferingLineItems" xlink:to="cyto_PublicOfferingPrice" order="4" xbrldt:closed="true"/> |
| | <loc xlink:type="locator" xlink:label="cyto_ExercisePriceWarrants" xlink:href="cyto-20231231.xsd#cyto_ExercisePriceWarrants"/> |
| | <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="cyto_WarrantsFromPublicOfferingLineItems" xlink:to="cyto_ExercisePriceWarrants" order="5" xbrldt:closed="true"/> |
| | <loc xlink:type="locator" xlink:label="cyto_WarrantsGranted" xlink:href="cyto-20231231.xsd#cyto_WarrantsGranted"/> |
| | <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="cyto_WarrantsFromPublicOfferingLineItems" xlink:to="cyto_WarrantsGranted" order="6" xbrldt:closed="true"/> |
| | <loc xlink:type="locator" xlink:label="cyto_StrikePrice" xlink:href="cyto-20231231.xsd#cyto_StrikePrice"/> |
| | <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="cyto_WarrantsFromPublicOfferingLineItems" xlink:to="cyto_StrikePrice" order="7" xbrldt:closed="true"/> |
| | <loc xlink:type="locator" xlink:label="cyto_ExercisePeriod" xlink:href="cyto-20231231.xsd#cyto_ExercisePeriod"/> |
| | <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="cyto_WarrantsFromPublicOfferingLineItems" xlink:to="cyto_ExercisePeriod" order="8" xbrldt:closed="true"/> |
| | <loc xlink:type="locator" xlink:label="cyto_PrefundedWarrants" xlink:href="cyto-20231231.xsd#cyto_PrefundedWarrants"/> |
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| | <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="dei_DocumentInformationLineItems" xlink:to="dei_AuditorName" order="39" xbrldt:closed="true"/> |
| | <loc xlink:type="locator" xlink:label="dei_AuditorLocation" xlink:href="https://xbrl.sec.gov/dei/2023/dei-2023.xsd#dei_AuditorLocation"/> |
| | <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="dei_DocumentInformationLineItems" xlink:to="dei_AuditorLocation" order="40" xbrldt:closed="true"/> |
| | </definitionLink> |
| </linkbase> |