EndodermMesodermGerm LayersGastrulaGene Expression Regulation, DevelopmentalEctodermEmbryonic InductionBody PatterningEmbryo, NonmammalianSOXF Transcription FactorsCell DifferentiationXenopus ProteinsIn Situ HybridizationEmbryonic Stem CellsNodal ProteinGastrulationMorphogenesisHomeodomain ProteinsT-Box Domain ProteinsFetal ProteinsZebrafish ProteinsZebrafishSomitesActivinsCell LineageEmbryo, MammalianChick EmbryoTeratomaTranscription FactorsNeoplasms, Germ Cell and EmbryonalEmbryoid BodiesXenopusBone Morphogenetic ProteinsEmbryonic DevelopmentNodal Signaling LigandsEmbryonic and Fetal DevelopmentBone Morphogenetic Protein 4Pluripotent Stem CellsXenopus laevisSignal TransductionVisceraBlastulaFibroblast Growth FactorsOctamer Transcription Factor-3Hepatocyte Nuclear Factor 3-betaDigestive SystemGoosecoid ProteinGenes, HomeoboxPrimitive StreakMolecular Sequence DataStem CellsNervous SystemBlastocystGATA Transcription FactorsGATA5 Transcription FactorCoturnixWnt ProteinsDNA-Binding ProteinsBlastodermQuailSOXB1 Transcription FactorsGATA6 Transcription FactorDrosophilaYolk SacChimeraInduced Pluripotent Stem CellsSOX Transcription FactorsBase SequenceHeadNeural CrestRNA, MessengerHigh Mobility Group ProteinsWheat Germ AgglutininsCell Culture TechniquesBranchial RegionDrosophila ProteinsTransforming Growth Factor betaTrans-ActivatorsBlastomeresAmino Acid SequenceModels, BiologicalFibroblast Growth Factor 4ImmunohistochemistryCell MovementGATA4 Transcription FactorHMGB ProteinsNotochordOrganizers, EmbryonicMutationTretinoinFibroblast Growth Factor 8Reverse Transcriptase Polymerase Chain ReactionVertebratesNeural PlateGene ExpressionOrganogenesisLeft-Right Determination FactorsAnimals, Genetically ModifiedPhenotypeHeart