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Superior longitudinal linguae muscle

Other Terms: Longitudinal of tongue, Superior longitudinal linguae muscle

Muscle parts

None

Latin name

Musculus longitudinalis superior

Latin muscle parts

None

Group

Head somite muscle – occipital group (Tongue muscle)

Etymology

The English name for this muscle is the upper lengthwise muscle of the tongue. The term longitudinalis is from Latin longitido meaning “length,” which in turn comes from the Latin longus meaning “long.” The Latin term superior is derived from the Latin super meaning “above.”

Origin

Submucosal tissue anterior to the epiglottis and median septum

Insertion

Mucosa and submucosa of the lateral and anterior lingual margins superiorly

Action

Shorten tongue and turn the sides and apex up.

Nerve supply

Hypoglossal nerve (Cranial nerve XII)

Blood supply

Lingual artery from the external carotid artery and tonsillar artery from the first part of the facial artery.

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