Stem CellsFetusCloning, MolecularHematopoietic Stem CellsStem Cell TransplantationEmbryonic Stem CellsAdult Stem CellsPluripotent Stem CellsHematopoietic Stem Cell TransplantationStem Cell NicheNeural Stem CellsInduced Pluripotent Stem CellsCell DifferentiationMultipotent Stem CellsMesenchymal Stem Cell TransplantationStem Cell FactorMesenchymal Stromal CellsMolecular Sequence DataCampylobacter fetusCell LineageBase SequencePregnancyStem Cell ResearchPlant StemsAmino Acid SequenceFetal Stem CellsTritrichomonas foetusCells, CulturedCell ProliferationHematopoietic Stem Cell MobilizationNeoplastic Stem CellsFetal DiseasesBone Marrow CellsGestational AgeDNA, ComplementaryRegenerationUltrasonography, PrenatalCloning, OrganismOctamer Transcription Factor-3Cell Culture TechniquesSequence Homology, Amino AcidCell SeparationHematopoiesisRegenerative MedicineEmbryo, MammalianTransplantation, AutologousPeripheral Blood Stem Cell TransplantationTotipotent Stem CellsFlow CytometryAntigens, CD34Mice, Inbred C57BLGene Expression Regulation, DevelopmentalRNA, MessengerCell LineTransplantation, HomologousGene ExpressionFetal BloodReverse Transcriptase Polymerase Chain ReactionColony-Forming Units AssaySOXB1 Transcription FactorsSignal TransductionSpermatogoniaPhenotypeMice, SCIDGene Expression RegulationCell- and Tissue-Based TherapyTissue EngineeringMaternal-Fetal ExchangePlacentaGene Expression ProfilingProto-Oncogene Proteins c-kitPolymerase Chain ReactionFetal HeartTranscription FactorsRecombinant ProteinsCord Blood Stem Cell TransplantationImmunohistochemistryHomeodomain ProteinsNestinGenetic VectorsSequence AlignmentGerm CellsCell DivisionBiological MarkersEmbryo ResearchTime FactorsBrain StemModels, BiologicalCell SurvivalHair FollicleMice, TransgenicDNARestriction MappingAmniotic FluidNeuronsCoculture TechniquesGreen Fluorescent ProteinsTeratomaAntigens, CDBone Marrow Transplantation