- 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.
Origin of mesonephros
Examples from the Web for mesonephros
Historical Examples of mesonephros
The Wolffian body, which may be also called the mesonephros.
The mesonephros of the larva disappears, and a fresh posterior part is formed.
While the lumen is gradually being formed, the segmental tubes of the mesonephros become established.
The segmental tubes of the mesonephros undergo further important changes.
Owing to the formation of the accessory tubuli the segments of the mesonephros acquire a compound character.
Word Origin for mesonephros
- The second of the three excretory organs that develop in a vertebrate embryo, replaced by the metanephros in higher vertebrates.wolffian body