Thyroarytenoid muscle

Thyroarytenoid muscle
Muscles of the larynx, seen from above.
Details
OriginInner surface of the thyroid cartilage (anterior aspect)
InsertionAnterior surface of arytenoid cartilage
NerveRecurrent laryngeal branch of the vagus
ActionsHelps to reduce tension on the vocal folds during speech to decrease pitch
Identifiers
Latinmusculus thyroarytenoideus
TA98A06.2.08.008
TA22199
FMA46588
Anatomical terms of muscle

The thyroarytenoid muscle is a broad, thin muscle that forms the body of the vocal fold and that supports the wall of the ventricle and its appendix. It functions to shorten the vocal folds.