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.
RELATED CONTENT
8 Quotes From An American Maverick
Senator John McCain was the definition of an American hero and these quotes illustrate what it meant to him.
READ MORE
Why is exciting planet discovery called “Goldilocks,” and what is its actual name?
This week, excitement was stoked by the discovery of a “Goldilocks planet” within our astronomical neighborhood. Located about 20 light years away in the constellation of Libra, the exoplanet in question has temperatures ranging from –25 to 160 degrees Fahrenheit , orbits its star from a distance of .146 Astronomical Units (about 14 million miles), and has a mass 3 to 4 times that of …
READ MORE
The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.