Adjacent Words

metanephros definitions

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Merriam Webster's

noun (plural metanephroi) Etymology: New Latin, from meta- + Greek nephros kidney — more at nephritis Date: 1884 either member of the final and most caudal pair of the three successive pairs of vertebrate renal organs that functions as a permanent adult kidney in reptiles, birds, and mammals but is not present at all in lower forms — compare mesonephros, pronephros • metanephric adjective

Webster's 1913 Dictionary

Metanephros Met`a*neph"ros, n. [NL., fr. Gr. ? behind + ? kidney.] (Anat.) The most posterior of the three pairs of embryonic renal organs developed in many vertebrates.