noun
- a large opening or pore in a sponge through which water flows out
Usage: biology
Examples
- The marine biologist examined the oscule of the barrel sponge.
- Water exits the sponge through its oscule after filtering through the body.
- Each oscule can be several centimeters wide in large sponge species.
- The oscule is surrounded by specialized cells that control water flow.
- Students observed how particles were expelled from the sponge’s oscule.
- The size of the oscule varies depending on the sponge species.