| / English Dictionary |
UMBILICAL VESICLE
| Pronunciation (US): |  | (GB): | |
I. (noun)
Sense 1
Meaning:
Membranous structure that functions as the circulatory system in mammalian embryos until the heart becomes functional
Synonyms:
umbilical vesicle; vesicula umbilicus; vitelline sac; yolk sac
Classified under:
Hypernyms ("umbilical vesicle" is a kind of...):
sac (a structure resembling a bag in an animal)
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