| 单词 | pronephros |
| 释义 | pronephros —pronephric /proh nef"rik/, adj. /proh nef"ros, -reuhs/, n. , pl. pronephroi /-roy/, pronephra /-reuh/. Embryol. one of the three embryonic excretory organs of vertebrates, which becomes the functional kidney of certain primitive fishes. Cf. mesonephros, metanephros. [1875-80; < NL < Gk pro- PRO-2 + nephrós kidney] |
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