HyperDic: vesicula_umbilicus

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

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