nephridiopore


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nephridiopore

the external opening of a NEPHRIDIUM.
References in periodicals archive ?
The hemolymph returns from the viscera to the single (right) kidney, for nitrogen excretion, and the urine is excreted through an opening to the mantle cavity, the nephridiopore. The nephridial gland may supplement the formation of urine, particularly in resorption of nutrients, and possibly osmoregulation (Andrews 1988).
bicornis (Annelida, Polychaeta) in the Mediterranean as revealed by ISSR markers and the lumber of nephridiopores. J.
Gametes were typically released from segmental nephridiopores within a few minutes of removal from the tube.