Ambystoma mexicanumRegenerationExtremitiesTurbellariaNotophthalmusAmbystomaNotophthalmus viridescensForelimbCell LineageSalamandridaeAnimal FinsPlanariansTriturusTailAmputationUrodelaCell DifferentiationPleurodelesWilms TumorNerve TissueZebrafishIn Situ HybridizationPhylogenyGene Expression Regulation, DevelopmentalMolecular Sequence DataAnaplasiaMesodermAmputation StumpsAnimal StructuresCell DedifferentiationMorphogenesisWound HealingPentosan Sulfuric PolyesterGenes, HomeoboxHomeodomain ProteinsStem CellsZebrafish ProteinsAnimals, Genetically ModifiedBody PatterningEpidermisDermisMultipotent Stem CellsTretinoinCartilageEvolution, MolecularFibroblast Growth FactorsAmino Acid SequenceBase SequenceSequence Analysis, DNAEmbryo, NonmammalianCellular MicroenvironmentCell ProliferationMSX1 Transcription FactorLimb BudsPAX7 Transcription FactorXenopus ProteinsChoristomaLarvaXenopus laevisDenervationT-Box Domain ProteinsHindlimbSignal TransductionTranscription FactorsGene ExpressionModels, BiologicalTenascinImmunohistochemistryDNA, ComplementaryGene Expression RegulationKidney NeoplasmsHedgehog ProteinsSequence AlignmentDNA PrimersBiological EvolutionUreterWnt ProteinsBromodeoxyuridineGene Expression ProfilingGenetic VariationCell TransplantationCell DivisionHeadHelminth ProteinsReverse Transcriptase Polymerase Chain ReactionBone and BonesMusclesCells, CulturedHematopoietic Stem CellsTime FactorsSequence Homology, Amino Acid