Quadrangular membrane

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Larynx: Quadrangular membrane
The quadrangular membrane runs from the aryepiglottic fold to the vestibular ligament.
Latin membrana quadrangularis
TA A06.2.09.022
FMA 55247
Anatomical terminology

The quadrangular membrane is a layer of submucosa.[1] It contains the cuneiform cartilages.[2] The membrane runs between the lateral aspects of the epiglottis and arytenoid cartilages on each side. The free inferior border of the quadrangular membrane is the vestibular ligament which is the vestibular fold when covered by mucosa. The superior border is in the aryepiglottic fold.


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