Yolk SacEgg YolkEmbryo, MammalianEmbryo, NonmammalianChick EmbryoEmbryo ImplantationMembranesBlastocystEmbryonic DevelopmentEndodermal Sinus TumorCell MembraneMembrane LipidsEmbryonic and Fetal DevelopmentIntracellular MembranesGene Expression Regulation, DevelopmentalEmbryo LossVitelline MembranePregnancyMembrane PotentialsMembranes, ArtificialEndodermMesonephromaFertilization in VitroCleavage Stage, OvumErythrocyte MembraneBlastomeresMembrane FluidityBasement MembraneExtraembryonic MembranesEndolymphatic SacMolecular Sequence DataZebrafishCell Membrane PermeabilityAir SacsIn Situ HybridizationGastrulaMicroscopy, ElectronCulture TechniquesOocytesMesodermEmbryo DispositionMorphogenesisZygoteMorulaCryopreservationBase SequenceTime FactorsRNA, MessengerBody PatterningMutationGestational SacAmino Acid SequenceCell DifferentiationHematopoiesis, ExtramedullaryAnal SacsCell LineGestational AgeMembrane GlycoproteinsModels, BiologicalTranscription FactorsMembrane Transport ProteinsPlacentaZebrafish ProteinsSignal TransductionEctodermImmunohistochemistryAmnionEmbryo ResearchPinocytosisCloning, OrganismSingle Embryo TransferCattleChimeraMicroscopy, FluorescenceEgg ProteinsEctogenesisalpha-FetoproteinsProtein TransportLipid BilayersPhenotypeCarrier ProteinsNuclear Transfer TechniquesOvumProtein BindingFetusMice, Inbred C57BLFluorescent Antibody TechniqueCloning, MolecularGene ExpressionMice, Inbred ICRPovidoneBlood VesselsPregnancy RateHomeodomain ProteinsBlastodermChorionSequence Homology, Amino AcidLiverMitochondrial MembranesAllantois