51Թ

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metanephros

[ met-uh-nef-ros ]

noun

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


metanephros

/ ˌɛəˈɛڰɒ /

noun

  1. 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
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Other 51Թ Forms

  • a·Ա۾ adjective
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51Թ History and Origins

Origin of metanephros1

1875–80; < New Latin < Greek meta- meta- + Աó kidney
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51Թ History and Origins

Origin of metanephros1

C19: New Latin, from meta- + Greek nephros kidney
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Example Sentences

Examples have not been reviewed.

The more complete replacements, such as the nephridia of the genital segment of Tubifex by a subsequently formed genital duct, may be compared with the succession of the nesonephros to the pronephros in vertebrates, and of the metanephros to the mesonephros in the higher vertebrates.

From

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

From

Metanephros and duct, not clearly marked off from Mesonephros.

From

Mesonephros and Metanephros, the kidney, and their unseparated ducts, the ureters.

From

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