Extraembryonic MembranesCell DifferentiationEndodermGene Expression Regulation, DevelopmentalEmbryo, MammalianYolk SacAllantoisGastrulaCell LineageEmbryonic Stem CellsTrophoblastsEctodermEmbryonic and Fetal DevelopmentSerous MembraneEmbryonic DevelopmentStem CellsPlacentaBlastocystCells, CulturedTranscription FactorsMesodermChimeraGerm LayersIn Situ HybridizationSignal TransductionRNA, MessengerChorionEmbryo LossGATA6 Transcription FactorAmnionCell LineHomeodomain ProteinsPregnancyMolecular Sequence DataDNA-Binding ProteinsMice, Inbred C57BLMorphogenesisBase SequenceMice, KnockoutCell DivisionTretinoinSex DifferentiationSOXF Transcription FactorsMice, TransgenicEmbryonic InductionPhenotypeBone Morphogenetic Protein 4Chick EmbryoGene Expression RegulationReverse Transcriptase Polymerase Chain ReactionCell ProliferationDosage Compensation, GeneticGerm CellsBody PatterningEmbryo, NonmammalianGene TargetingBone Morphogenetic ProteinsPluripotent Stem CellsGenomic ImprintingGene ExpressionBlastodermImmunohistochemistryVisceraOctamer Transcription Factor-3Genes, LethalOviparityModels, BiologicalCell Culture TechniquesTrans-ActivatorsVitelline DuctX Chromosome InactivationGene Expression ProfilingTranscription, GeneticMutationMice, Mutant StrainsX ChromosomeTime FactorsDNA PrimersHyalinRepressor ProteinsHematopoietic Stem CellsPrimitive StreakChorioallantoic MembraneOsteogenesisOsteoblastsAntigens, DifferentiationNuclear ProteinsHMGB ProteinsAmino Acid SequenceTransforming Growth Factor betaMesenchymal Stromal CellsAdipogenesisT-Box Domain ProteinsTeratomaTransfectionMice, Inbred StrainsMyoblastsUp-RegulationNeuronsApoptosis