MesodermKidneyPAX2 Transcription FactorMesonephrosExtremitiesRegenerationGene Expression Regulation, DevelopmentalAmbystoma mexicanumIn Situ HybridizationUreterSomitesNephronsChick EmbryoSalamandridaeHomeodomain ProteinsBody PatterningDibenzazepinesNotophthalmus viridescensTurbellariaAmbystomaMorphogenesisBone Morphogenetic ProteinsWT1 ProteinsLIM-Homeodomain ProteinsAnimal FinsTranscription FactorsCell DifferentiationPlanariansEmbryonic InductionTailBone Morphogenetic Protein Receptors, Type ITriturusSignal TransductionEmbryo, NonmammalianWilms TumorZebrafishGastrulaEctodermWnt4 ProteinAmputationLimb BudsOrgan Culture TechniquesForelimbXenopus ProteinsOrganogenesisDNA-Binding ProteinsFibroblast Growth FactorsT-Box Domain ProteinsWolffian DuctsZebrafish ProteinsNerve TissueEmbryonic and Fetal DevelopmentMolecular Sequence DataWnt ProteinsUrodelaGenes, HomeoboxPleurodelesBone Morphogenetic Protein 4MSX1 Transcription FactorNotophthalmusGlial Cell Line-Derived Neurotrophic FactorEpitheliumImmunohistochemistryAmino Acid SequenceFetal ProteinsEmbryo, MammalianXenopus laevisHedgehog ProteinsBase SequenceUrogenital SystemCartilageStem CellsBone Morphogenetic Protein 7Animals, Genetically ModifiedTretinoinGene ExpressionEmbryonic DevelopmentTrans-ActivatorsQuailAnaplasiaModels, BiologicalRNA, MessengerNeural CrestDolichosCoturnixOdontogenesisHeadDNA, ComplementaryCell LineageAmputation StumpsKidney NeoplasmsTime FactorsWound HealingXenopusAnimal StructuresCell DedifferentiationKidney TubulesPentosan Sulfuric PolyesterEpidermisFibroblast Growth Factor 8