metanephros
[ met-uh-nef-ros ]
/ ˌmɛt əˈnɛf rɒs /
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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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Compare mesonephros, pronephros.
Origin of metanephros
OTHER WORDS FROM metanephros
met·a·neph·ric, adjectiveWords nearby metanephros
metanalysis, metanarrative, metanephric duct, metanephrine, metanephrogenic, metanephros, Metanira, metanitrophenol, metanoia, metapelet, metaph.
Dictionary.com Unabridged
Based on the Random House Unabridged Dictionary, © Random House, Inc. 2021
Example sentences from the Web for metanephros
The differentiation of a posterior section of the mesonephros into a special gland foreshadowing the metanephros of the Amniota.
The Works of Francis Maitland Balfour, Volume III (of 4)|Francis Maitland BalfourThe ureter which carries off the secretion of the kidney proper or metanephros.
The Works of Francis Maitland Balfour, Volume III (of 4)|Francis Maitland BalfourThe mode of development of the metanephros has as yet only been satisfactorily elucidated in the Chick (Sedgwick, No. 549).
The Works of Francis Maitland Balfour, Volume III (of 4)|Francis Maitland Balfour
British Dictionary definitions for metanephros
metanephros
/ (ˌmɛtəˈnɛfrɒs) /
noun plural -roi (-rɔɪ)
the last-formed posterior part of the embryonic kidney in reptiles, birds, and mammals, which remains functional in the adultSee also pronephros, mesonephros
Word Origin for metanephros
C19: New Latin, from meta- + Greek nephros kidney
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
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Medical definitions for metanephros
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 metanephros
met′a•neph′ric (-rĭk) adj.The American Heritage® Stedman's Medical Dictionary
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