NOUN | animal | yolk sac, vitelline sac, umbilical vesicle, vesicula umbilicus | membranous structure that functions as the circulatory system in mammalian embryos until the heart becomes functional |
---|---|---|---|
animal | yolk sac | membranous structure enclosing the yolk of eggs in birds, reptiles, marsupials, and some fishes |
Meaning | membranous structure that functions as the circulatory system in mammalian embryos until the heart becomes functional. | |
---|---|---|
Synonyms | vitelline sac, umbilical vesicle, vesicula umbilicus | |
Broader | sac | A structure resembling a bag in an animal |
Spanish | saco vitelino |
Meaning | membranous structure enclosing the yolk of eggs in birds, reptiles, marsupials, and some fishes; circulates nutrients to the developing embryo. | |
---|---|---|
Broader | sac | A structure resembling a bag in an animal |
©2001-24 · HyperDic hyper-dictionary · Contact