Egg YolkYolk SacEgg ProteinsEndodermal Sinus TumorVitelline MembraneMesonephromaOvumEndodermChickensPhosvitinEgg Proteins, DietaryEmbryo, MammalianFood, OrganicHematopoiesis, ExtramedullaryEgg WhiteOviparityEgg ShellPinocytosisEmbryo, NonmammalianCryoprotective AgentsEmbryonic and Fetal Developmentalpha-FetoproteinsPregnancyGene Expression Regulation, DevelopmentalChick EmbryoExtraembryonic MembranesFat BodyBlastodermEmbryonic DevelopmentZebrafishDysgerminomaPlacentaSpheniscidaeOvipositionCharadriiformesHematopoietic Stem CellsVitelline DuctFalkland IslandsGestational AgeFetus