vocalis muscle


vo·ca·lis mus·cle

(vō-kā'lis mŭs'ĕl) Origin, depression between the two laminae of thyroid cartilage; insertion, portions of vocal process of arytenoid; action, shortens and relaxes vocal cords; nerve supply, recurrent laryngeal; a number of the deeper and finer fibers of the thyroarytenoid muscle attached directly to the outer side of the true vocal cord.
Synonym(s): musculus vocalis [TA] , vocal muscle.

vocalis muscle

Laryngeal muscle. Origin: midline of inner surface of thyroid cartilage. Insertion: arytenoid cartilage. Nerve: recurrent laryngeal of vagus (CN X). Action: changes tension of vocal cords. See also: muscle