Intertragic notch

The intertragic notch is an anatomical feature of the ears of mammals. In humans, it is the space that separates the tragus from the antitragus in the outer ear.

Intertragic notch
The auricula. Lateral surface.
Part ofEar
Anatomical terminology

It is the point specified (although not by that name) in the U.S. Army’s regulation governing the length of sideburns in male soldiers.[1]


This article incorporates text in the public domain from page 1034 of the 20th edition of Gray's Anatomy (1918)

  1. Army Regulation 670–1 Archived 2015-04-06 at the Wayback Machine (3 February 2005),”Wear and Appearance of Army Uniforms and Insignia”, 1-8, a, (2), b. “Sideburns will not extend below the lowest part of the exterior ear opening.”

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