mesonephros

noun
me·​so·​neph·​ros | \ ˌme-zə-ˈne-frəs How to pronounce mesonephros (audio) , ˌmē-, -sə-, -ˌfräs\
plural mesonephroi\ ˌme-​zə-​ˈne-​ˌfrȯi How to pronounce mesonephroi (audio) , ˌmē-​ , -​sə-​ \

Definition of mesonephros

: either member of the second and midmost of the three paired vertebrate renal organs that functions in adult fishes and amphibians but functions only in the embryo of reptiles, birds, and mammals in which it is replaced by a metanephros in the adult — compare metanephros, pronephros

Other Words from mesonephros

mesonephric \ ˌme-​zə-​ˈne-​frik How to pronounce mesonephric (audio) , ˌmē-​ , -​sə-​ \ adjective

First Known Use of mesonephros

1877, in the meaning defined above

History and Etymology for mesonephros

New Latin, from mes- + Greek nephros kidney — more at nephritis

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More Definitions for mesonephros

mesonephros

noun
me·​so·​neph·​ros | \ ˌmez-ə-ˈnef-rəs How to pronounce mesonephros (audio) , ˌmēz- How to pronounce mesonephros (audio) , ˌmēs-, ˌmes-, -ˌräs\
plural mesonephroi\ -​ˌrȯi How to pronounce mesonephroi (audio) \

Medical Definition of mesonephros

: either member of the second and midmost of the three paired vertebrate renal organs that functions in adult fishes and amphibians but functions only in the embryo of reptiles, birds, and mammals in which it is replaced by a metanephros in the adult

called also Wolffian body

— compare pronephros