- Holonephros
The holonephros is the
kidney of thelarva e of cyclostomes and someamphibian s. The entire mass of nephrogenic tissue gives rise to this kidney, which is usually of simple form with a single tubule in each segment.External links
* [http://www.lander.edu/rsfox/30urogenitalLec.html Comparative Vertebrate Anatomy, BIOLOGY 308, Urogenital System, Richard Fox, Lander University]
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