Glottis - Structure & Function
Small Cartilages of the Larynx – Arytenoid, Corniculate, & Cuneiform Cartilages
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Two arytenoid cartilages are located along the upper edge of the cricoid lamina (or back plate) of the larynx.
- Directly above each pyramidal-shaped arytenoid cartilage is a small, conical
corniculate cartilage.
- The arytenoid cartilages help regulate the movements of the attached
vocal ligaments.
- Several small
intrinsic muscles attach to the surfaces of the arytenoid cartilage.
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- The contraction of these muscles causes the
length and position of the vocal ligaments to change.
- Also found in the larynx are two small
cuneiform cartilages.
- These cartilages are embedded in the quadrangular membranes and aryepiglottic folds that loosely connect the arytenoid cartilages to the epiglottis.
- The cartilages add support to these soft tissues.
An Overview of the Arytenoid, Corniculate, & Cuneiform Cartilages:
Test yourself:
Larynx Anatomy Quiz: Cartilages and Membranes