Thyroarytenoid - Definition
Thyroarytenoid belongs to the Branchial arch muscle, and is also referred to as "Vocalis muscle." It is a thin, broad muscle that runs lateral to and parallel with the vocal fold.
It is also known by several other names like:
The structure is also known as Musculus thyroarytenoideus in Latin and Muscle thyro-aryténoïdien in
Thyroarytenoid - Origin
The muscle originates at the internal surface of the lower section of the angle of the cricothyroid ligament and the thyroid cartilage.
Thyroarytenoid - Insertion
The point of insertion of the muscle is at the lateral surface of the anterior section of the arytenoid cartilage.
Thyroarytenoid - Function
The muscle pulls the arytenoid cartilages anteriorly and medially. This helps relax the vocal ligaments narrow the glottis. It supports the ventricular wall as well as its appendix.
Thyroarytenoid - Pictures
Check out the following images to know how this muscle appears to view.
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