EndodermVisceraPhenotypeGastrulaGene Expression Regulation, DevelopmentalYolk SacBody PatterningSOXF Transcription FactorsEctodermMesodermOtx Transcription FactorsNodal ProteinEmbryonic InductionLeft-Right Determination FactorsGATA6 Transcription FactorEmbryo, MammalianEmbryonic and Fetal DevelopmentGerm LayersCell DifferentiationIn Situ HybridizationHepatocyte Nuclear Factor 3-betaGATA4 Transcription FactorHomeodomain ProteinsEmbryonic DevelopmentMorphogenesisTranscription FactorsBlastocystEmbryonic Stem CellsChimeraHeadCell LineageGATA5 Transcription FactorSOX Transcription FactorsBone Morphogenetic Protein 4Digestive SystemSignal TransductionEmbryo, NonmammalianExtraembryonic Membranesalpha-FetoproteinsTeratomaDNA-Binding ProteinsCarcinoma, EmbryonalMice, TransgenicEmbryonal Carcinoma Stem CellsFolate Receptor 1Bone Morphogenetic ProteinsOrganizers, EmbryonicMutationTretinoinProsencephalonHepatocyte Nuclear Factor 4Zebrafish ProteinsMolecular Sequence DataHepatocyte Nuclear Factor 1-betaMice, Mutant StrainsGATA Transcription FactorsTrans-ActivatorsStem CellsActivinsEmbryo Culture TechniquesGene TargetingXenopus ProteinsGenes, HomeoboxBase SequenceHigh Mobility Group ProteinsZebrafishHMGB ProteinsMice, KnockoutBasic Helix-Loop-Helix Leucine Zipper Transcription FactorsTransforming Growth Factor betaWnt ProteinsLIM-Homeodomain ProteinsRNA, MessengerNotochordT-Box Domain ProteinsLow Density Lipoprotein Receptor-Related Protein-2Models, BiologicalTransgenesGastrulationFetal ProteinsProteinsChick EmbryoBranchial RegionCell MovementGenes, LethalReverse Transcriptase Polymerase Chain ReactionMice, Inbred C57BLLamininCell LineHomozygotePancreasMice, Inbred StrainsDNA PrimersPregnancyIntestinesHepatocyte Nuclear Factor 3-gammaCells, CulturedBlastulaGreen Fluorescent ProteinsNuclear Proteins