suprameatal triangle



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

Nearby words

  1. supralittoral,
  2. supramarginal gyrus,
  3. supramastoid crest,
  4. supramaxilla,
  5. supramaxillary,
  6. supramentale,
  7. supramolecular,
  8. supranational,
  9. supranatural,
  10. supranuclear

The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.