What is the difference between Ostia and osculum?

Question

Biology

Skyler Jennings

8 January, 02:05

What is the difference between Ostia and osculum?

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Destinee Hunt · Answer 1

Osculum: A large opening in a sponge through water flows out of the sponge. the sponge may have more than one Osculum.

Ostia: A series of tiny pores all over the body of a sponge that let water into the sponge. One of these is called Ostium.