Medical Dictionary


noun pro·neph·ros \(ˈ)prō-ˈnef-rəs, -ˌräs\
plural pro·neph·roi \-ˌri\

Medical Definition of PRONEPHROS

:  either member of the first and most anterior pair of the three paired vertebrate renal organs that functions in the adults of amphioxus and some lampreys, functions temporarily in larval fishes and amphibians, and is present but nonfunctional in embryos of reptiles, birds, and mammals—compare mesonephros, metanephros


July 02, 2015
apprehension Hear it
comprehension or the fear of future evil
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