definitions
  • synonyms

orbital muscle

n.

A rudimentary nonstriated muscle, crossing the infraorbital groove and the sphenomaxillary fissure and united with the periosteum of the eye socket.

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Nearby words

orbital, orbital angular momentum, orbital cavity, orbital gyrus, orbital index, orbital muscle, orbital plane, orbital process, orbital sander, orbital velocity, orbitale
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.