Corpus: Quadrangular membrane
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1. Definition
The term quadrangular membrane is used to describe the weaker part of the fibro-elastic membrane of the larynx under the mucosa of the vestibulum laryngis.
2. Anatomy
The quadrangular membrane runs on both sides in the submucosa from the lateral aspect of the epiglottis to the cartilagines arytaenoideae. It contains the cartilagines cuneiformes.
The lower edge of the membrane is formed by the vestibular plica and the upper edge by the aryepiglottic plica.
3. Literature
- Anderhuber et al, Waldeyer - Human Anatomy: Lehrbuch und Atlas in einem Band (De Gruyter Studium) (19th totaly rev. ed.), De Gruyter, 2012