Ambystoma mexicanumRegenerationExtremitiesTurbellariaNotophthalmusAmbystomaNotophthalmus viridescensForelimbClone CellsSalamandridaeAnimal FinsPlanariansTriturusCell LineageAbiotrophiaTailCell DifferentiationStem CellsClonal EvolutionPapilloma, IntraductalCarnobacteriaceaeMorphogenesisAmputationMultipotent Stem CellsUrodelaGene Expression Regulation, DevelopmentalBody PatterningPhosphoglycerate KinaseIn Situ HybridizationPleurodelesWilms TumorDrosophila ProteinsDrosophilaNerve TissueX ChromosomeAnimals, Genetically ModifiedLarvaWingZebrafishMolecular Sequence DataDosage Compensation, GeneticHomeodomain ProteinsCell DivisionAnaplasiaDrosophila melanogasterCell ProliferationMosaicismAmputation StumpsCell SeparationPupaCells, CulturedOrganogenesisEmbryo, NonmammalianHematopoietic Stem CellsNeurogliaChimeraCell DedifferentiationAnimal StructuresPentosan Sulfuric PolyesterPhenotypeWound HealingMutationImmunohistochemistryBase SequencePolymorphism, Restriction Fragment LengthModels, BiologicalAmino Acid SequenceRetroviridaeGenes, InsectNestinGenes, HomeoboxMesodermDNA, NeoplasmZebrafish ProteinsEpidermisDermisEyeSignal TransductionCartilageFibroblast Growth FactorsNeural Stem CellsEctodermTretinoinTranscription FactorsPolymerase Chain ReactionOogenesisCell Culture TechniquesCloning, MolecularSequence Analysis, DNAMSX1 Transcription FactorDNA PrimersT-LymphocytesCellular MicroenvironmentLimb BudsChoristomaGenetic MarkersColony-Forming Units AssayAllelesDenervationCell Movement