To get an ad-free experience on website and mobile app, please consider taking a subscription. Subscription fee will help us to add more words and definitions along with building language related features.
 |
Meaning of word yolk sac from English dictionary with examples, synonyms and antonyms.
yolk sac noun
Meaning : Membranous structure that functions as the circulatory system in mammalian embryos until the heart becomes functional.
Synonyms : umbilical vesicle, vesicula umbilicus, vitelline sac
Meaning : Membranous structure enclosing the yolk of eggs in birds, reptiles, marsupials, and some fishes. Circulates nutrients to the developing embryo.
