HyperDic: umbilical_vesicle

English > 1 sense of the expression umbilical vesicle:
NOUNanimalumbilical vesicle, yolk sac, vitelline sac, vesicula umbilicusmembranous structure that functions as the circulatory system in mammalian embryos until the heart becomes functional
English > umbilical vesicle: 1 sense > noun 1, animal
Meaningmembranous structure that functions as the circulatory system in mammalian embryos until the heart becomes functional.
Synonymsyolk sac, vitelline sac, vesicula umbilicus
BroadersacA structure resembling a bag in an animal
Spanishsaco vitelino

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