The holonephros is the
kidney
In humans, the kidneys are two reddish-brown bean-shaped blood-filtering organ (anatomy), organs that are a multilobar, multipapillary form of mammalian kidneys, usually without signs of external lobulation. They are located on the left and rig ...
of the
larva
A larva (; : larvae ) is a distinct juvenile form many animals undergo before metamorphosis into their next life stage. Animals with indirect development such as insects, some arachnids, amphibians, or cnidarians typically have a larval phase ...
e of
cyclostomes and the
Gymnophiona. 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
Comparative Vertebrate Anatomy, BIOLOGY 308, Urogenital System, Richard Fox, Lander University
Urinary system
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