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What is ostia in biology​

User Hosemeyer
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Origin: L. (Science: anatomy) An opening; a passage. An opening in organic sponges that allow water to enter the organism. (hope this helps you)
User Msvcyc
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Answer:

An ostium (plural ostia) in anatomy is a small opening or orifice.

Step-by-step explanation:

Simple term for explaining an opening

User Gbdivers
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