pronephros Hear it!

pronephros definition

pro·neph·ros (prō nef′räs)

noun

Zool. a primitive kidney, the most anterior of three pairs of renal organs, functional only during embryonic development in most lower vertebrates, and appearing only transiently in the human embryo

Etymology: ModL < pro-, pro- + Gr nephros, kidney: see nephro-

Related Forms:

Webster's New World College Dictionary Copyright © 2009 by Wiley Publishing, Inc., Cleveland, Ohio.
Used by arrangement with John Wiley & Sons, Inc.

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