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Vocalis

Other Terms: Vocal muscle, Musculus vocalis, Muscle vocal

Muscle parts

None

Latin name

Musculus vocalis

Latin muscle parts

None

Group

Branchial arch muscle – sixth arch (Laryngeal muscle)

Etymology

The English name for this muscle is the muscle of voice. The Latin term vocalis means “voice.”

Origin

Internal surface of the angle of the thyroid cartilage

Insertion

Vocal process of the arytenoid cartilage

Action

Relax the posterior part of the vocal ligaments.

Nerve supply

Vagus nerve (Cranial nerve X)

Blood supply

The laryngeal muscles receive blood from both the subclavian and external carotid arteries. The thyrocervical trunk of the subclavian gives rise to the inferior thyroid, which gives rise to the inferior laryngeal artery. This artery enters the larynx from below. Entering the larynx from above is the superior laryngeal artery, which is a branch of the superior thyroid artery from the external carotid.

Latin

Musculus vocalis

French

Muscle vocal

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