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mesonephros

[ mez-uh-nef-ros, mes-, mee-zuh-, -suh- ]

noun

, Embryology.
, plural mes·o·neph·roi [mez-, uh, -, nef, -roi, mes-, mee-z, uh, -, -s, uh, -].
  1. 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.


mesonephros

/ ˌmɛsəʊˈnɛfrɒs /

noun

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


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Derived Forms

  • ˌmesoˈnephric, adjective
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Other Words From

  • meso·nephric adjective
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Word History and Origins

Origin of mesonephros1

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

Origin of mesonephros1

C19: New Latin, from meso- + Greek nephros kidney
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Example Sentences

The Wolffian body, which may be also called the mesonephros.

The different parts do not, however, appear to have the same morphological significance as those in the mesonephros.

It may be noted that in Lepidosteus the whole pronephros has exactly the character of a single segmental tube of the mesonephros.

The mesonephros of the larva disappears, and a fresh posterior part is formed.

Owing to the formation of the accessory tubuli the segments of the mesonephros acquire a compound character.

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