Category:Foramen

Fo*ra"men, n.; pl. L. Foramina, E. Foramines. Etym: [L., fr. forare to bore, pierce.]

Defn: A small opening, perforation, or orifice; a fenestra. Foramen of Monro (Anat.), the opening from each lateral into the third ventricle of the brain. -- Foramen of Winslow (Anat.), the opening connecting the sac of the omentum with the general cavity of the peritoneum.