egg anatomy. structure of bird egg

egg anatomy structure bird biology chicken cell embryo education yolk chick diagram science yellow animal membrane shell albumen infographic lesson chalaza fertilization reproductive eggshell poster zoology air editable annotated fertilizer birds white germinal disc blastoderm amnion allantois chorion cuticle oviposition incubation shape vector schematic detailed isometric flat brand text font circle presentation line screenshot document advertising organ design logo multimedia cartoon map plan