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vitelline sac
Noun
membranous structure that functions as the circulatory system in mammalian embryos until the heart becomes functional
synonym
umbilical vesicle
vesicula umbilicus
yolk sac
hypernym
sac
vitelline sac vs sac
vitelline sac vs umbilical vesicle
vitelline sac vs vesicula umbilicus
vitelline sac vs yolk sac
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