[ met-uh-nef-ros ]
/ ˌmɛt əˈnɛf rɒs /
noun, plural met·a·neph·roi [met-uh-nef-roi]. /ˌmɛt əˈnɛf rɔɪ/. Embryology.
one of the three embryonic excretory organs of higher vertebrates, becoming the permanent and functional kidney.
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a person who acts as though he or she knows everything and who dismisses the opinions, comments, or suggestions of others.
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Origin of metanephros
1875–80; <New Latin <Greek meta-meta- + nephrós kidney
OTHER WORDS FROM metanephrosmet·a·neph·ric, adjective
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2020
Example sentences from the Web for metanephros
This mass of mesoblastic cells may be called the metanephric blastema.The Works of Francis Maitland Balfour, Volume III (of 4)|Francis Maitland Balfour
British Dictionary definitions for metanephros
/ (ˌmɛtəˈnɛfrɒs) /
noun plural -roi (-rɔɪ)
Word Origin for metanephros
C19: New Latin, from meta- + Greek nephros kidney
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
Medical definitions for metanephros
[ mĕt′ə-nĕf′rəs, -rŏs′ ]
n. pl. met•a•neph•roi (-roi′)
The third and final excretory organ that develops in a vertebrate embryo. In birds, reptiles, and mammals it replaces the mesonephros as the functional excretory organ and develops into the adult kidney.
Other words from metanephrosmet′a•neph′ric (-rĭk) adj.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.