QuailChick EmbryoCoturnixChickensColinusAvian ProteinsOviductsFeathersChimeraBlastodermBird DiseasesMesodermNeural CrestOvomucinBirdsGene Expression Regulation, DevelopmentalDucksEmbryo, NonmammalianMorphogenesisIn Situ HybridizationCloacaSomitesMusclesOncogene Protein p55(v-myc)WingCells, CulturedPoultry DiseasesLimb BudsCartilageEctodermGalliformesRetinaMolecular Sequence DataEmbryonic InductionAllantoisTissue TransplantationSpecies SpecificityCell DifferentiationEgg YolkCulture TechniquesEgg ShellAvian leukosis virusAlpharetrovirusOvipositionEgg ProteinsRhombencephalonBase SequenceEggsAvian Sarcoma VirusesBursa of FabriciusNervous SystemRNA, MessengerAmino Acid SequenceNotochordImprinting (Psychology)EyeChorionTime FactorsInfluenza in BirdsMicroscopy, ElectronPigmentationHeartOvumGastrulaPoultryChorioallantoic MembraneGanglia, Parasympathetic