allantois
名词 n.
英文释义
名词 n.
- A sac, having a number of functions, that develops in the alimentary canal of the embryos of mammals, birds and reptiles.
词形变化
词源
Ancient Greek ἀλλαντοειδής (allantoeidḗs, “sausage-shaped”). Compare Greek αλλαντικό (allantikó).
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数据来源: Wiktionary