01 n. A small opening, perforation, or orifice; a fenestra.
pl.
Foramina, Foramines ((#))
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1.
A small opening, perforation, or orifice; a fenestra.
Phrases & compounds
Foramen of Monro —
the opening from each lateral into the third ventricle of the brain.
Foramen of Winslow —
the opening connecting the sac of the omentum with the general cavity of the peritoneum.