opisthion
Webster's Unabridged Dictionary:
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O·pis·thi·on
n.
(Anat.) The middle of the posterior, or dorsal, margin of the great foramen of the skull.
American Heritage Stedman's Medical Dictionary:
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o·pis·thi·on
Mosby's Dental Dictionary:
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opisthion
(ōpis′thē ôn)
n
n
The hindmost point on the posterior margin of the foramen magnum.
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Copyrights:
American Heritage Stedman's Medical Dictionary
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company.
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