RegenerationAmbystoma mexicanumKidneyExtremitiesTurbellariaAmbystomaNotophthalmus viridescensNotophthalmusSalamandridaeForelimbUreterAnimal FinsPlanariansTriturusTailMesodermAmputationWilms TumorUrodelaIn Situ HybridizationNephronsPleurodelesGene Expression Regulation, DevelopmentalNerve TissueMorphogenesisZebrafishPAX2 Transcription FactorWnt4 ProteinCell DifferentiationAnaplasiaWolffian DuctsHomeodomain ProteinsAmputation StumpsMesonephrosCell DedifferentiationAnimal StructuresPentosan Sulfuric PolyesterWound HealingOrganogenesisGlial Cell Line-Derived Neurotrophic FactorOrgan Culture TechniquesGenes, HomeoboxKidney NeoplasmsZebrafish ProteinsEpidermisDermisCartilageAnimals, Genetically ModifiedFibroblast Growth FactorsTretinoinWnt ProteinsBody PatterningDolichosMolecular Sequence DataImmunohistochemistryMSX1 Transcription FactorCellular MicroenvironmentStem CellsLimb BudsChoristomaDenervationXenopus ProteinsPAX7 Transcription FactorAmino Acid SequenceCell ProliferationXenopus laevisHindlimbMultipotent Stem CellsDNA, ComplementarySignal TransductionGene ExpressionTenascinKidney TubulesEmbryo, NonmammalianLarvaT-Box Domain ProteinsUrogenital SystemBase SequenceEmbryonic and Fetal DevelopmentTranscription FactorsModels, BiologicalHedgehog ProteinsGene Expression ProfilingFlank PainEmbryonic InductionDNA PrimersReverse Transcriptase Polymerase Chain ReactionHeadBone Morphogenetic Protein 7BromodeoxyuridineHelminth ProteinsTime FactorsProto-Oncogene Proteins c-retCell TransplantationRNA, MessengerMusclesEpitheliumBone and BonesUrogenital AbnormalitiesBlotting, Northern