Fo·ra·men n.; pl. L. Foramina E. Foramines 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.
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foramen
n : a natural opening or perforation through a bone or a
membranous structure [syn: hiatus]
[also: foramina (pl)]