RegenerationAmbystoma mexicanumExtremitiesTurbellariaAmbystomaNotophthalmus viridescensNotophthalmusForelimbStem CellsSalamandridaeHematopoietic Stem CellsCell DifferentiationAnimal FinsPlanariansTriturusTailCell LineageAntigens, CD34AmputationCell ProliferationGene Expression Regulation, DevelopmentalCells, CulturedBone Marrow CellsMyeloid Progenitor CellsColony-Forming Units AssayUrodelaIn Situ HybridizationMultipotent Stem CellsZebrafishPleurodelesWilms TumorHematopoiesisNeural Stem CellsHomeodomain ProteinsNerve TissueGene Expression ProfilingEndothelial CellsGene Expression RegulationSignal TransductionMice, Inbred C57BLStem Cell TransplantationCell DivisionMesodermFlow CytometryGene ExpressionWound HealingErythroid Precursor CellsImmunohistochemistryCell DedifferentiationAnaplasiaTranscription FactorsMorphogenesisMolecular Sequence DataCell SeparationNeurogenesisBone MarrowZebrafish ProteinsReverse Transcriptase Polymerase Chain ReactionBromodeoxyuridineMice, TransgenicCell MovementLymphoid Progenitor CellsAmputation StumpsAdult Stem CellsAnimals, Genetically ModifiedBody PatterningHematopoietic Stem Cell MobilizationAnimal StructuresFetal BloodPentosan Sulfuric PolyesterHematopoietic Stem Cell TransplantationRNA, MessengerTime FactorsNestinGranulocyte Colony-Stimulating FactorAntigens, CDCell CountGenes, HomeoboxFibroblast Growth FactorsOligonucleotide Array Sequence AnalysisStem Cell FactorEpidermisBase SequenceCellular MicroenvironmentHindlimbMice, KnockoutTretinoinDermisEmbryonic Stem CellsOligodendrogliaCell Culture TechniquesCartilagePAX7 Transcription FactorBasic Helix-Loop-Helix Transcription FactorsGenetic VectorsRetroviridaeHedgehog ProteinsNeoplastic Stem CellsModels, BiologicalNeurons