Pronephros (noun) Definition, Meaning & Examples

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noun, plural pro·neph·roi [proh-nef-roi], /proʊˈnɛf rɔɪ/, pro·neph·ra [proh-nef-ruh]. /proʊˈnɛf rə/. Embryology.
  1. one of the three embryonic excretory organs of vertebrates, which becomes the functional kidney of certain primitive fishes.
noun plural -roi (-rɔɪ) or -ra (-rə)
  1. the first-formed anterior part of the embryonic kidney in vertebrates, which remains functional in the larvae of the lower vertebrates
Pronephros (noun) Definition, Meaning & Examples

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