allantois

n. 尿囊 [医] 尿囊

发音

/əˈlæntəʊ.ɪs/

词形变化

allantoides allantoises 复数 allantoises allantoides 复数

释义与例句

n.
  1. 1.

    A sac, having a number of functions, that develops in the alimentary canal of the embryos of mammals, birds and reptiles.

    医学

词源

Ancient Greek ἀλλαντοειδής (allantoeidḗs, “sausage-shaped”). Compare Greek αλλαντικό (allantikó).

来源：wiktionary