Stem CellsCell DifferentiationEmbryo, MammalianEmbryonic Stem CellsBlastocystStem Cell TransplantationHematopoietic Stem CellsEmbryo ImplantationEmbryo ResearchPluripotent Stem CellsBlastomeresAdult Stem CellsEmbryonic DevelopmentEmbryo, NonmammalianInduced Pluripotent Stem CellsGene Expression Regulation, DevelopmentalCell LineageChick EmbryoCells, CulturedNeural Stem CellsFertilization in VitroEmbryonic and Fetal DevelopmentStem Cell NicheHematopoietic Stem Cell TransplantationPregnancyMesenchymal Stromal CellsMultipotent Stem CellsEmbryo Culture TechniquesMolecular Sequence DataPersonhoodCell LineCryopreservationBeginning of Human LifeBase SequenceMesenchymal Stem Cell TransplantationCell Culture TechniquesTranscription FactorsEmbryo DispositionSignal TransductionCell ProliferationStem Cell FactorRNA, MessengerOctamer Transcription Factor-3Embryo TransferHomeodomain ProteinsCell DivisionCloning, MolecularPhenotypeGene Expression RegulationImmunohistochemistryTime FactorsCloning, OrganismMice, Inbred C57BLTotipotent Stem CellsAmino Acid SequenceCulture TechniquesBone Marrow CellsZygoteGene ExpressionMesodermModels, BiologicalReverse Transcriptase Polymerase Chain ReactionGerm LayersGene Expression ProfilingFetal Stem CellsIn Situ HybridizationStem Cell ResearchCoculture TechniquesPregnancy RateDNA-Binding ProteinsMorulaFlow CytometryPreimplantation DiagnosisValue of LifePlant StemsMosaicismHematopoiesisCell SeparationLifeCulture MediaMice, TransgenicMutationTranscription, GeneticOocytesNeoplastic Stem CellsTrophoblastsRegenerationBiological MarkersFetusEctogenesisAnatomy, ArtisticNeuronsEmbryologyTheologyMorphogenesisTretinoinGerm CellsCell SurvivalResearch Embryo CreationIncubators