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单词 pronephros
释义

WordReference Random House Unabridged Dictionary of American English © 2024
pro•neph•ros  (prō nefros, -rəs),USA pronunciation n., pl. -roi  (-roi),USA pronunciation -ra  (-rə).USA pronunciation [Embryol.]
  1. Developmental Biologyone of the three embryonic excretory organs of vertebrates, which becomes the functional kidney of certain primitive fishes. Cf. mesonephros, metanephros. 
  • Greek pro- pro-2 + nephrós kidney
  • Neo-Latin
  • 1875–80;
pro•neph•ric  (prō nefrik),USA pronunciation adj. 
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