Found 2 items, similar to foramen.
English → English (WordNet) Definition: foramen foramen n : a natural opening or perforation through a bone or a membranous structure [syn: hiatus] [also: foramina (pl)]
English → English (gcide) Definition: Foramen Foramen \Fo*ra"men\, n.; pl. L. Foramina, E. Foramines. [L., fr. forare to bore, pierce.] A small opening, perforation, or orifice; a fenestra. [1913 Webster] 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. [1913 Webster]