Ambystoma mexicanumRegenerationExtremitiesTurbellariaNotophthalmusAmbystomaNotophthalmus viridescensForelimbMammalsSalamandridaeAnimal FinsPlanariansTriturusTailAmputationUrodelaWilms TumorPleurodelesZebrafishNerve TissueIn Situ HybridizationMolecular Sequence DataGene Expression Regulation, DevelopmentalAnaplasiaAmputation StumpsCell DedifferentiationAmino Acid SequenceAnimal StructuresCell DifferentiationWound HealingPentosan Sulfuric PolyesterAnimals, Genetically ModifiedMorphogenesisZebrafish ProteinsGenes, HomeoboxMesodermEpidermisDermisCartilageBody PatterningFibroblast Growth FactorsBase SequenceHomeodomain ProteinsTretinoinModels, BiologicalMSX1 Transcription FactorSpecies SpecificityLimb BudsCellular MicroenvironmentXenopus laevisXenopus ProteinsDenervationPhylogenyLarvaChoristomaDNA, ComplementaryEmbryo, NonmammalianHindlimbCell ProliferationPAX7 Transcription FactorSequence AlignmentMultipotent Stem CellsGene ExpressionSignal TransductionGene Expression RegulationSequence Homology, Amino AcidImmunohistochemistryTenascinTime FactorsT-Box Domain ProteinsBiological EvolutionStem CellsMarsupialiaKidney NeoplasmsSequence Analysis, DNAEvolution, MolecularHedgehog ProteinsRodentiaDNA PrimersUreterBone and BonesKidneyMusclesRNA, MessengerHeadCloning, MolecularHelminth ProteinsGene Expression ProfilingBromodeoxyuridineTranscription FactorsWnt ProteinsModels, AnimalReverse Transcriptase Polymerase Chain ReactionCell Transplantation