Definition, Meaning & Synonyms
ostia
Noun
/ˈɒstiə/
Definition
The plural form of ostium, which refers to an opening or orifice, particularly in anatomy or zoology.
Examples
- In sponges, ostia are the small openings that allow water to flow into the body.
- The ostia in a heart are crucial for the flow of blood.
Meaning
In biological contexts, ostia refer to the openings through which certain organisms, especially sponges, intake water or nutrients.
Synonyms
- orifice
- opening
- aperture
