BlastocystChick EmbryoNeoplasm StagingEmbryo, MammalianEmbryo, NonmammalianEmbryo ImplantationChickensGene Expression Regulation, DevelopmentalEmbryonic DevelopmentAllantoisMesodermMorphogenesisIn Situ HybridizationQuailCulture TechniquesGastrulaEmbryonic and Fetal DevelopmentEctodermAvian ProteinsChorionChorioallantoic MembraneEmbryo LossCartilageEmbryonic InductionBlastodermCleavage Stage, OvumEndosonographyLymphatic MetastasisBody PatterningSomitesCoturnixTime FactorsFertilization in VitroNotochordNeural CrestBlastomeresPregnancyFluorodeoxyglucose F18Positron-Emission TomographyCell DifferentiationNervous SystemPrognosisHomeodomain ProteinsLathyrismRhombencephalonRNA, MessengerExtraembryonic MembranesTomography, X-Ray ComputedEndodermRadiopharmaceuticalsMolecular Sequence DataZebrafishChimeraExtremitiesEmbryo DispositionMicroscopy, ElectronZygoteImmunohistochemistryMorulaLymph NodesHeartTranscription FactorsMediastinoscopyLimb BudsNeural TubeMusclesMediastinumCells, CulturedMicroscopy, Electron, ScanningSensitivity and SpecificityRetrospective StudiesCryopreservationWingFibroblast Growth Factor 8Base SequenceYolk SacFibroblast Growth FactorsZebrafish ProteinsBursa of FabriciusElectroporationOrganizers, EmbryonicDicarbethoxydihydrocollidineAmino Acid SequenceBone Morphogenetic ProteinsOocytesAvian Sarcoma VirusesTissue TransplantationMesonephrosCell MovementHedgehog ProteinsSpinal CordXenopus ProteinsEmbryo Research5-Aminolevulinate SynthetaseLymph Node ExcisionSingle Embryo TransferCentral Nervous SystemAminopropionitrileAllylisopropylacetamideCloning, Organism