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metanephros

American

[met-uh-nef-ros] / ˌmɛt əˈnɛf rɒs /

noun

Embryology.

one of the three embryonic excretory organs of higher vertebrates, becoming the permanent and functional kidney.

metanephros British

/ ˌmɛtəˈnɛfrɒs /

noun

the last-formed posterior part of the embryonic kidney in reptiles, birds, and mammals, which remains functional in the adult See also pronephros mesonephros

"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

Other Word Forms

Derived Forms

metanephric

adjective

Inflected Forms

Nouns

metanephroi

plural

Etymology

Origin of metanephros

1875–80; < New Latin < Greek meta- meta- + nephrós kidney

Example Sentences

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See Examples For:

metanephros

Mt. and Mt.d., the metanephros and metanephric duct, become the functional kidney and ureter in both sexes.

From Text Book of Biology, Part 1: Vertebrata by Wells, H. G. (Herbert George)

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023