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

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The first known use of mesonephros was in 1877

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mesonephros

noun

me·so·neph·ros | \ ˌmez-ə-ˈnef-rəs

, ˌmēz-

, ˌmēs-, ˌmes-, -ˌräs\

plural mesonephroi\ -ˌrȯi

\

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

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