opisthion

opisthion definition - medical

o·pis·thi·on (ə-pĭsˈthē-ŏnˌ)

noun
The middle point on the rear margin of the great foramen.

The American Heritage® Medical Dictionary Copyright © 2009 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

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