definitions

superior orbital fissure

n.

A cleft between the greater and the lesser wing of the sphenoid, through which pass the oculomotor and trochlear nerves, the ophthalmic division of the trigeminal nerve, the abducens nerve, and the ophthalmic veins.

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Nearby words

superior mesenteric plexus, superior mesenteric vein, superior oblique muscle, superior oblique muscle of head, superior ophthalmic vein, superior orbital fissure, superior ovary, superior petrosal sinus, superior phrenic vein, superior planet, superior pulmonary vein
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.