See Also: Macewen's triangle(medicine)
Macewen's symptom(medicine)
Macewen's sign(medicine)
Macewen, Sir William(medicine)
Herbal medicine (botanical medicine, herbology, phytomedicine)(health)
Medicine Lodge Memorial Hospital- Medicine Lodge(health)
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triangle(encyclopedia)
triangle(2)(dictionary)
triangle(dictionary)

Macewen's triangle (medicine)


Macewen's triangle -->
suprameatal triangle


A triangle formed by the root of the zygomatic arch, the posterior wall of the bony external acoustic meatus, and an imaginary line connecting the extremities of the first two lines; used as a guide in mastoid operations.

Synonym: Macewen's triangle.