Aryepiglottic fold

Aryepiglottic fold
The entrance to the larynx, viewed from behind. (Aryepiglottic fold labeled at center right.)
Laryngoscopic view of interior of larynx. (Aryepiglottic fold labeled at center right.)
Latin	plica aryepiglottica
Gray's	subject #236 1079

The entrance of the larynx is a triangular opening, narrow in front, wide behind, and sloping obliquely downward and backward. It is bounded, in front, by the epiglottis; behind, by the apices of the arytenoid cartilages, the corniculate cartilages, and the interarytenoid notch; and on either side, by a fold of mucous membrane, enclosing ligamentous and muscular fibers, stretched between the side of the epiglottis and the apex of the arytenoid cartilage; this is the aryepiglottic fold, on the posterior part of the margin of which the cuneiform cartilage forms a more or less distinct whitish prominence, the cuneiform tubercle. These folds form the upper borders of the quadrangular membrane.

External links

• SUNY Labs 31:17-0104
• Atlas of anatomy at UMich rsa3p10
• lesson11 at The Anatomy Lesson by Wesley Norman (Georgetown University) (larynxsagsect)

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This article was originally based on an entry from a public domain edition of Gray's Anatomy. As such, some of the information contained herein may be outdated.