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Elsevier
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Vestibular Fold
Respiratory System

Vestibular Fold

Plica vestibularis

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Structure/Morphology

The vestibular ligament is covered by a mucosal layer. The combination of the ligament and mucosal layer forms the vestibular fold.

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Key Features/Anatomical Relations

The vestibular ligament is formed from the free inferior margin of the quadrangular membrane. It is attached to the internal surface of the thyroid cartilage, inferior to the thyroepiglottic ligament. It courses posteriorly to attach to the arytenoid cartilages, superior to the vocal processes.

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Vestibular Fold

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Paired vestibular folds (false vocal cords) extending from the thyroid cartilage posteriorly to the superior surface of the arytenoids

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