EndodermCell LineageSOXF Transcription FactorsGene Expression Regulation, DevelopmentalMesodermCell DifferentiationGastrulaGerm LayersEmbryonic InductionEctodermBody PatterningGATA6 Transcription FactorVisceraGATA5 Transcription FactorNodal ProteinEmbryonic Stem CellsHomeodomain ProteinsHepatocyte Nuclear Factor 3-betaDigestive SystemSOX Transcription FactorsEmbryo, NonmammalianIn Situ HybridizationYolk SacPhylogenyTranscription FactorsMorphogenesisEmbryo, MammalianGATA4 Transcription FactorZebrafish ProteinsGATA Transcription FactorsActivinsMolecular Sequence DataXenopus ProteinsHigh Mobility Group ProteinsHMGB ProteinsZebrafishBlastocystStem CellsEmbryonic DevelopmentT-Box Domain ProteinsSignal TransductionEmbryonic and Fetal DevelopmentNotochordFetal ProteinsChick EmbryoGastrulationEvolution, MolecularChimeraOtx Transcription FactorsBranchial RegionBase SequenceTeratomaDNA-Binding ProteinsBone Morphogenetic Protein 4PancreasBone Morphogenetic ProteinsFibroblast Growth Factor 4Hepatocyte Nuclear Factor 3-gammaBlastulaUrochordataEmbryoid BodiesTretinoinCoturnixPrimitive StreakFibroblast Growth FactorsMice, TransgenicTrans-ActivatorsQuailGenes, HomeoboxOrganogenesisModels, BiologicalBlastomeresPluripotent Stem CellsBiological EvolutionWnt ProteinsSequence Analysis, DNAAmino Acid SequenceLeft-Right Determination FactorsRNA, MessengerEmbryonic StructuresExtraembryonic MembranesTeratocarcinomaXenopusPharynxCells, CulturedHeadVertebratesReverse Transcriptase Polymerase Chain ReactionPhenotypeSea UrchinsDigestive System AbnormalitiesDNA PrimersCell LineNeural CrestEmbryonal Carcinoma Stem CellsOctamer Transcription Factor-3Transforming Growth Factor betaCarcinoma, EmbryonalHepatocyte Nuclear Factor 3-alphaMice, Knockout