pronephros
noun
one of the three embryonic excretory organs of vertebrates, which becomes the functional kidney of certain primitive fishes.
pronephric
-
a word derived from
pronephros.
Example Sentences
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One of the most striking illustrations of the existence of such target forms is the way a tube called the pronephric duct, a precursor to the kidney, grows in newts.
From Scientific American ● May 31, 2023
