Holonephros
The holonephros is the kidney of the larvae 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.
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The holonephros is the kidney of the larvae 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.