Ambystoma mexicanumRegenerationExtremitiesTurbellariaAmbystomaNotophthalmus viridescensNotophthalmusForelimbSalamandridaeMammalsAnimal FinsPlanariansTriturusTailAmputationUrodelaPleurodelesWilms TumorNerve TissueZebrafishIn Situ HybridizationAnaplasiaAmputation StumpsCell DedifferentiationAnimal StructuresGene Expression Regulation, DevelopmentalPentosan Sulfuric PolyesterWound HealingCell DifferentiationMorphogenesisGenes, HomeoboxZebrafish ProteinsMesodermAnimals, Genetically ModifiedEpidermisMolecular Sequence DataDermisCartilageBody PatterningFibroblast Growth FactorsTretinoinHomeodomain ProteinsAmino Acid SequenceMSX1 Transcription FactorCellular MicroenvironmentLimb BudsChoristomaDenervationXenopus ProteinsXenopus laevisPAX7 Transcription FactorHindlimbEmbryo, NonmammalianLarvaMultipotent Stem CellsCell ProliferationTenascinT-Box Domain ProteinsDNA, ComplementaryKidney NeoplasmsBase SequenceModels, BiologicalStem CellsHedgehog ProteinsUreterGene ExpressionImmunohistochemistrySignal TransductionHeadBromodeoxyuridineGene Expression RegulationHelminth ProteinsMusclesWnt ProteinsBone and BonesCell TransplantationSequence AlignmentSequence Homology, Amino AcidKidneyGene Expression ProfilingExtracellular MatrixDNA PrimersKeratinsMicroscopy, ElectronTime Factorsbeta CateninTranscription FactorsBlotting, NorthernSequence Analysis, DNACloning, MolecularCell DivisionReverse Transcriptase Polymerase Chain ReactionReceptors, Fibroblast Growth FactorRNA, MessengerModels, AnimalRNA InterferenceCell LineageMarsupialiaPhylogenyFluorescent Antibody Technique