Embryo, MammalianMorulaEmbryonic DevelopmentBlastocystEmbryonic and Fetal DevelopmentZygoteGene Expression Regulation, DevelopmentalEmbryo Culture TechniquesMammalsGerm LayersOocytesEmbryo, NonmammalianPregnancyEndodermCleavage Stage, OvumOctamer Transcription Factor-3Embryo ImplantationBlastomeresEmbryonic Stem CellsChick EmbryoCell DifferentiationFertilization in VitroCulture TechniquesMolecular Sequence DataCell LineageGenomic ImprintingPluripotent Stem CellsTranscription FactorsBase SequenceEctodermMice, Inbred C57BLCloning, OrganismStem CellsCells, CulturedBody PatterningSignal TransductionCattleMice, Inbred CBATotipotent Stem CellsYolk SacTrophoblastsMorphogenesisFibroblast Growth Factor 4Blastocyst Inner Cell MassMesodermIn Situ HybridizationMice, Inbred ICRParthenogenesisHomeodomain ProteinsFetal ViabilityCryopreservationRNA, MessengerEmbryo TransferAmino Acid SequenceTissue SurvivalVitrificationFallopian TubesEmbryo LossTime FactorsNeural CrestGene ExpressionCulture MediaDNA-Binding ProteinsFertilizationModels, BiologicalOvumGestational AgeMice, TransgenicPhenotypeZona PellucidaPregnancy RateCell NucleusSperm Injections, IntracytoplasmicChimeraMice, Inbred StrainsEmbryo DispositionOogenesisSuperovulationImmunohistochemistryMice, KnockoutMicroinjectionsCell LineEpigenesis, GeneticZebrafishSequence Homology, Amino AcidGastrulaCloning, MolecularSpermatozoaMutation