RegenerationExtremitiesNotophthalmus viridescensSalamandridaeAmbystoma mexicanumTurbellariaAmbystomaNotophthalmusForelimbPlanariansAnimal FinsNerve RegenerationLiver RegenerationTriturusTailAmputationLimb BudsUrodelaBone RegenerationPleurodelesZebrafishNerve TissueWilms TumorIn Situ HybridizationWound HealingCell DifferentiationAmputation StumpsGene Expression Regulation, DevelopmentalCell DedifferentiationAnaplasiaMorphogenesisAnimal StructuresHindlimbMesodermZebrafish ProteinsGuided Tissue RegenerationAnimals, Genetically ModifiedPentosan Sulfuric PolyesterBody PatterningFibroblast Growth FactorsCartilageCell ProliferationGenes, HomeoboxStem CellsEpidermisDermisHomeodomain ProteinsLimb SalvagePAX7 Transcription FactorTretinoinMSX1 Transcription FactorLimb Deformities, CongenitalDenervationCellular MicroenvironmentMolecular Sequence DataLarvaXenopus laevisMultipotent Stem CellsXenopus ProteinsImmunohistochemistryHedgehog ProteinsSignal TransductionHepatectomyTime FactorsChoristomaPhantom LimbEmbryo, NonmammalianAmino Acid SequenceAxons