AmputationAmbystoma mexicanumRegenerationExtremitiesTurbellariaNotophthalmusAmbystomaNotophthalmus viridescensForelimbAmputation StumpsAmputation, TraumaticSalamandridaeMesodermArtificial LimbsAnimal FinsPlanariansDiabetic FootLower ExtremityAmputeesCell DifferentiationTailLegTriturusPhantom LimbLimb SalvageIn Situ HybridizationGene Expression Regulation, DevelopmentalGangreneWound HealingIschemiaMorphogenesisMesenchymal Stromal CellsDisarticulationGene Expression ProfilingCartilageUrodelaFinger InjuriesCells, CulturedGene Expression RegulationPleurodelesZebrafishLeg InjuriesNerve TissueStem CellsToesGene ExpressionCell ProliferationWilms TumorLimb BudsHomeodomain ProteinsImmunohistochemistryFoot UlcerTime FactorsRNA, MessengerCell LineageMolecular Sequence DataSignal TransductionPeripheral Vascular DiseasesChick EmbryoOligonucleotide Array Sequence AnalysisReplantationTranscription FactorsEpithelial CellsVascular Surgical ProceduresChondrogenesisFibroblast Growth FactorsReverse Transcriptase Polymerase Chain ReactionBase SequenceFibroblastsPodiatryPalateCell DivisionFootAnaplasiaZebrafish ProteinsBody PatterningArterial Occlusive DiseasesGenetic TherapyTretinoinDermisEpitheliumEpidermisGenes, HomeoboxPopliteal ArteryCell LineOsteogenesisAmino Acid SequenceDebridementHindlimbExtracellular MatrixUreterCell MovementRetrospective StudiesAnimals, Genetically ModifiedReoperationBone Morphogenetic Protein 2Multipotent Stem CellsOdontogenesisHematopoietic Stem CellsHeart Valves