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suprameatal triangle in Medicine

suprameatal triangle

(sōō′prə-mē-ātl)
n.
  1. A triangle formed by the root of the zygomatic arch, the posterior wall of the bony external acoustic meatus, and a line connecting the extremities of the first two. It is used as a guide in mastoid operations.Macewen's triangle
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.