First Known Use: 1887
Dictionary
mesonephros
noun me·so·neph·ros \ˌme-zə-ˈne-frəs, ˌmē-, -sə-, -ˌfräs\
plural me·so·neph·roi\-ˌfrȯi\
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
— me·so·neph·ric \-frik\ adjective
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Origin of MESONEPHROS
New Latin, from mes- + Greek nephros kidney — more at nephritis
Medical Dictionary
mesonephros
noun me·so·neph·ros \ˌmez-ə-ˈnef-rəs, ˌmēz-, ˌmēs-, ˌmes-, -ˌräs\
plural me·so·neph·roi \-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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