01465243-n 'membranous structure that functions as the circulatory system in mammalian embryos until the heart becomes functional';
 
Chinese (simplified) 脐带 泡 , 卵黄囊 , 脐带泡
英語 yolk sac , vitelline sac , umbilical vesicle , vesicula umbilicus
日本語 卵黄嚢
Definitions
英語
membranous structure that functions as the circulatory system in mammalian embryos until the heart becomes functional
日本語
心臓が機能するまでに哺乳動物の胎児の循環器官として機能する膜構造
Relations
Hypernym: sac
Semantic Field: animaln
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