- pronephra
- n. (Embryology) primordial excretory tissue that is nonfunctional in humans (stage in the formation of the kidneys)
English contemporary dictionary. 2014.
pronephra
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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.… … Universalium
