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optic canal

n.
  1. The short canal through the lesser wing of the sphenoid bone at the apex of the eye socket through which the optic nerve and the ophthalmic artery pass.optic foramen
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The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.