Yolk SacEgg YolkEmbryo, MammalianEmbryo, NonmammalianEndodermal Sinus TumorChick EmbryoEndolymphatic SacAir SacsVitelline MembraneAnal SacsMesonephromaEmbryo ImplantationEmbryonic DevelopmentEmbryonic and Fetal DevelopmentGestational SacBlastocystGene Expression Regulation, DevelopmentalPregnancyEndodermEmbryo LossHematopoiesis, ExtramedullarySpindle ApparatusExtraembryonic MembranesIn Situ HybridizationPlacentaCleavage Stage, OvumBlastomeresGestational Agealpha-FetoproteinsMesodermGastrulaFertilization in VitroZebrafishPinocytosisMorphogenesisMolecular Sequence DataCell DifferentiationCulture TechniquesPovidoneEgg ProteinsOocytesFetusBody PatterningZygoteDysgerminomaRNA, MessengerBlood VesselsPregnancy Trimester, FirstHematopoietic Stem CellsAmnionMesonephrosTranscription FactorsHematopoiesisTime FactorsChimeraTeratomaBase SequenceMorulaMicroscopy, ElectronMitosisEmbryo DispositionCryopreservationErythropoiesisOvumAmino Acid SequenceZebrafish ProteinsMicrotubulesImmunohistochemistryEctodermPlacentationMutationTesticular NeoplasmsChorionAllantoisMice, Inbred ICRFetal DeathBlastodermNeoplasms, Germ Cell and EmbryonalPhenotypeCell LineageMice, Inbred C57BLErythroblastsHematopoietic SystemGenes, LethalOrgan Culture TechniquesDrosophila ProteinsTeratogensMaternal-Fetal Exchange