membrana quadrangularis -->
quadrangular membrane
medical dictionary

The elastic fibra membrane that extends from the ventricular fold of the larynx upward to the aryepiglottic fold; it attaches anteriorly to the epiglottis and posteriorly to the lateral margin of the arytenoid and corniculate cartilages.

Synonyms: membrana quadrangularis, Tourtual's membrane.

(05 Mar 2000)