Osculum
The Osculum (plural: Oscula) is the main opening of sponges (Porifera), through which water that has been tumbled in by porocytes (wall pores) is expelled. The sponge also excretes metabolic products through the osculum .
literature
- Volker Storch, Ulrich Welsch: Short textbook of zoology . 7th edition. Gustav Fischer, Stuttgart, Jena, New York 1994, ISBN 3-8274-1399-0 , pp. 402 .