Stem CellsEmbryonic Stem CellsHematopoietic Stem CellsStem Cell TransplantationAdult Stem CellsPluripotent Stem CellsCell DifferentiationHematopoietic Stem Cell TransplantationStem Cell NicheEmbryo, MammalianNeural Stem CellsInduced Pluripotent Stem CellsMultipotent Stem CellsMesenchymal Stem Cell TransplantationGene Expression Regulation, DevelopmentalStem Cell FactorMesenchymal Stromal CellsCell LineageYolk SacChick EmbryoCells, CulturedStem Cell ResearchMesodermEmbryonic and Fetal DevelopmentPlant StemsEmbryonic DevelopmentFetal Stem CellsIn Situ HybridizationMorphogenesisEmbryo, NonmammalianDevelopmental BiologyCell ProliferationHematopoietic Stem Cell MobilizationMice, Inbred C57BLEndodermNeoplastic Stem CellsMolecular Sequence DataRNA, MessengerSignal TransductionHomeodomain ProteinsBone Marrow CellsBase SequenceImmunohistochemistryTranscription FactorsRegenerationTissue DistributionOctamer Transcription Factor-3EctodermReverse Transcriptase Polymerase Chain ReactionPregnancyCell AggregationCell Culture TechniquesCell LineGestational AgeNeural CrestRegenerative MedicineCell SeparationGene Expression ProfilingMesonephrosTransplantation, AutologousHematopoiesisPeripheral Blood Stem Cell TransplantationModels, BiologicalGene ExpressionPhenotypeTotipotent Stem CellsAntigens, CD34GastrulaMice, TransgenicAminomethyltransferaseTransplantation, HomologousFlow CytometryTime FactorsBlastocystPlacentaNervous SystemCell MovementTrophoblastsExtremitiesAmino Acid SequenceOrgan SpecificityGene Expression RegulationSOXB1 Transcription FactorsQuailSpermatogoniaColony-Forming Units AssayFetusFluorescent Antibody TechniqueCell DivisionDNA-Binding ProteinsCell- and Tissue-Based TherapyMice, SCIDTissue EngineeringBody PatterningProto-Oncogene Proteins c-kitMice, KnockoutCord Blood Stem Cell TransplantationDNA PrimersNestinZebrafish