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umbilical vesicle

美 [ʌmˈbɪlɪkl ˈvesɪkl]英 [ʌmˈbɪlɪkl ˈvesɪkl]

网络脐囊

umbilical vesicle

umbilical vesicle

英英释义

noun

membranous structure that functions as the circulatory system in mammalian embryos until the heart becomes functional: Synonym: yolk sac vitelline sac vesicula umbilicus

数据来源：WordNet

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