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the superior half of the orbital rim, which constitutes the curved superior border of the orbital opening, formed by the frontal bone. See: orbital margin.
Farlex Partner Medical Dictionary © Farlex 2012
The curved upper border of the entrance to the eye socket. Also called supraorbital arch.
The American Heritage® Medical Dictionary Copyright © 2007, 2004 by Houghton Mifflin Company. Published by Houghton Mifflin Company. All rights reserved.