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Ostium
UK
/ˈɒstɪəm/
US
/ˈɑːstɪəm/
Translation of "ostium" into Russian
ostium
Noun
UK
/ˈɒstɪəm/
US
/ˈɑːstɪəm/
ostium
ostia pl
ostiums pl
The ostium of the river was blocked by debris.
Устье реки было заблокировано мусором.
Definitions
ostium
Noun
UK
/ˈɒstɪəm/
US
/ˈɑːstɪəm/
An opening or orifice, such as a mouth or entrance, especially in a biological context.
The ostium of the heart allows blood to flow into the atrium.
A small opening or pore in a sponge through which water is drawn in.
Water enters the sponge through the ostium, bringing in nutrients and oxygen.
Botany: the aperture in the micropyle of an ovule that allows the entry of the pollen tube.
The pollen tube enters the ovule through the ostium.