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Oblique arytenoid

Other Terms: Arytenoideus obliquus, Musculus arytenoideus obliquus, Muscle aryténoïdien oblique

Muscle parts

Ary-epiglottic part

Latin name

Musculus arytenoideus obliquus

Latin muscle parts

Pars aryepiglottica


Branchial arch muscle – sixth arch (Laryngeal muscle)


The English name for this muscle is the slanting muscle of the ladle shaped cartilage. The term arytenoideus comes from the Greek arytaina meaning “ladle or dipper” and the suffix eidos meaning “shape or form.” The Latin term obliquus means slanting or sideways and describes how the muscle approaches the cartilage at an angle.


Muscular process of one arytenoid cartilage


Apex of the opposite arytenoid cartilage


Adduct the aryepiglottic folds to help close the laryngeal inlet.

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.


Musculus arytenoideus obliquus


Muscle aryténoïdien oblique


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