Any of the bones surrounding the mouth and nose and contributing to the eye sockets, including the upper jawbones, the zygomatic, nasal, lacrimal, and palatine bones, the inferior nasal concha and the vomer, lower jawbone, and hyoid bone.
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The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.