Dictionary.com

mesonephros

[ mez-uh-nef-ros, mes-, mee-zuh-, -suh- ]
/ ˌmɛz əˈnɛf rɒs, ˌmɛs-, ˌmi zə-, -sə- /

noun, plural mes·o·neph·roi [mez-uh-nef-roi, mes-, mee-zuh-, -suh-]. /ˌmɛz əˈnɛf rɔɪ, ˌmɛs-, ˌmi zə-, -sə-/. Embryology.

one of the three embryonic excretory organs of vertebrates, becoming the functional kidney of fishes and amphibians and becoming part of the tubules or ductules in the reproductive systems of higher vertebrates.

QUIZZES

LEARN THE SPANISH WORDS FOR THESE COMMON ANIMALS!

Are you learning Spanish? Or do you just have an interest in foreign languages? Either way, this quiz on Spanish words for animals is for you.
Question 1 of 13
How do you say “cat” 🐈 in Spanish?
gato/gata
cato/cata
gatto/gatta
TAKE THE QUIZ TO FIND OUT
Compare metanephros, pronephros.

Origin of mesonephros

1875–80; <New Latin, equivalent to meso-meso- + Greek nephrós kidney

OTHER WORDS FROM mesonephros

mes·o·neph·ric, adjective

Words nearby mesonephros

meson, mesonephric duct, mesonephric fold, mesonephric ridge, mesonephroma, mesonephros, mesoneuritis, mesopause, mesopeak, mesopelagic, mesopelagic zone
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2021

Example sentences from the Web for mesonephros

British Dictionary definitions for mesonephros

mesonephros
/ (ˌmɛsəʊˈnɛfrɒs) /

noun

the middle part of the embryonic kidney in vertebrates, becoming the adult kidney in fishes and amphibians and the epididymis in reptiles, birds, and mammalsSee also pronephros, metanephros

Derived forms of mesonephros

mesonephric, adjective

Word Origin for mesonephros

C19: New Latin, from meso- + 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 mesonephros

mesonephros
[ mĕz′ə-nĕf′rəs, -rŏs′ ]

n. pl. mes•o•neph•roi (-nĕf′roi′)

The second of the three excretory organs that develop in a vertebrate embryo, replaced by the metanephros in higher vertebrates.wolffian body

Other words from mesonephros

mes′o•neph′ric adj.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.