Yolk Sac
Of sac.
Membranous structure enclosing the yolk of eggs in birds, reptiles, marsupials, and some fishes; circulates nutrients to the developing embryo.
This concept's ID is @1~7352
Of sac.
Membranous structure enclosing the yolk of eggs in birds, reptiles, marsupials, and some fishes; circulates nutrients to the developing embryo.
This concept's ID is @1~7352