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umbilical vesicle

脐囊

1、[胚]脐囊

... 畦栽培：bedding cultivation 脐囊：umbilical vesicle 歧化淘汰：disruptive selection ...

2、脐囊

...optic vesicle 眼泡,视泡umbilical vesicle 脐囊acrosomal vesicle 顶体泡 ...

生物学

n.membranous structure that functions as the circulatory system in mammal embryos until the heart becomes functional

同义词：yolk sacvitelline sacvesicula umbilicus

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