porion

porion definition - medical

po·ri·on (pôrˈē-ŏnˌ)

noun pl. po·ri·a (pôrˈē-ə)
The central point on the upper margin of the external auditory meatus.

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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