Intertragic notch

Intertragic notch
	The auricula. Lateral surface.
Details
Part of	Ear
Identifiers
TA	A15.3.01.019
FMA	61175
	Anatomical terminology

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.

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]

References

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

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.”

External links

Anatomy photo:30:01-0105 at the SUNY Downstate Medical Center
lesson3 at The Anatomy Lesson by Wesley Norman (Georgetown University) (externalear) (#6)

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[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.”