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foramen spinosum in Medicine

foramen spinosum

(spī-nōsəm)
n.
  1. An opening in the greater wing of the sphenoid bone, in front of the spine, transmitting the middle meningeal artery.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.