pronephros

pro.neph.ros

n.（名词）
【复数】 pro.neph.roi[-roi] 或 pro.neph.ra [-r…]
A kidneylike organ, being either part of the most anterior pair of three pairs of organs in a vertebrate embryo, disappearing early in the embryonic development of higher vertebrates, but functioning as a kidney in some simple vertebrates, such as the lamprey.
前肾，原肾：一肾状器官，是脊椎动物胚胎中三对器官最前面一对的一部分，在高级脊椎动物的早期发育时消失，但在一些初级脊椎动物中作为肾脏，如八目鳗

来源：
pro- 2
pro-2
Greek nephros [kidney]
希腊语 nephros [肾脏]

【引伸】
proneph.ric