RegenerationPlanariansTurbellariaAmbystoma mexicanumExtremitiesNotophthalmusAmbystomaNotophthalmus viridescensPlatyhelminthsForelimbOligochaetaHelminth ProteinsReproduction, AsexualTailSalamandridaeStem CellsAnimal FinsPluripotent Stem CellsTriturusCell DifferentiationIn Situ HybridizationRNA InterferenceHeadGene Expression Regulation, DevelopmentalAmputationCell ProliferationUrodelaPleurodelesWilms TumorNerve TissueZebrafishAnaplasiaAmputation StumpsCell DedifferentiationAnimal StructuresPentosan Sulfuric PolyesterWound HealingMorphogenesisGenes, HomeoboxMesodermZebrafish ProteinsEpidermisDermisCartilageAnimals, Genetically ModifiedFibroblast Growth FactorsTretinoinBody PatterningMSX1 Transcription FactorCellular MicroenvironmentHomeodomain ProteinsLimb BudsChoristomaDenervationXenopus ProteinsPAX7 Transcription FactorXenopus laevisHindlimbMolecular Sequence DataMultipotent Stem CellsTenascinEmbryo, NonmammalianLarvaAmino Acid SequenceT-Box Domain ProteinsKidney Neoplasms