EndodermSOXF Transcription FactorsTeratomaGerm LayersYolk SacGastrulaGene Expression Regulation, DevelopmentalVisceraEmbryonal Carcinoma Stem CellsMesodermBlastocystCell DifferentiationEmbryonic InductionEctodermBody PatterningEmbryonic Stem CellsGATA4 Transcription FactorEmbryo, MammalianMorphogenesisNotochordUrochordataTretinoinCell LineageEmbryonic and Fetal DevelopmentEmbryonic DevelopmentIn Situ HybridizationHomeodomain ProteinsCell AggregationPhosphodiesterase Ialpha-FetoproteinsTranscription FactorsBucladesineLamininGATA6 Transcription FactorGATA5 Transcription FactorNodal ProteinHepatocyte Nuclear Factor 3-betaSOX Transcription FactorsDigestive SystemEmbryo, NonmammalianRNA, MessengerBase SequenceCell LineMolecular Sequence DataGATA Transcription FactorsActivinsZebrafish ProteinsXenopus ProteinsMicroscopy, ElectronHigh Mobility Group ProteinsHMGB ProteinsTime FactorsCells, CulturedZebrafishT-Box Domain ProteinsOtx Transcription FactorsGastrulationFetal ProteinsBranchial RegionChick EmbryoSignal TransductionBone Morphogenetic Protein 4PancreasHepatocyte Nuclear Factor 3-gammaBlastulaChimeraFibroblast Growth Factor 4Primitive StreakCoturnix