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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
