Dictionary
neph•ro•stome
Pronunciation: (nef'ru-stōm"), [key]—
n.
1. Zool.the ciliated opening of a nephridium into the coelom.
2. Embryol.a similar opening from the coelom into a tubule of the embryonic kidney.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.