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Inferior longitudinal linguae muscle

Other Terms: Longitudinal of tongue, Inferior longitudinal linguae muscle

Muscle parts

None

Latin name

Musculus longitudinalis inferior

Latin muscle parts

None

Group

Head somite muscle – occipital group (Tongue muscle)

Etymology

The English name for this muscle is the lower 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 word inferior comes out of inferus meaning “low or lower.”

Origin

Submucosa of the root of the tongue and the body of the hyoid bone

Insertion

Submucosa of the apex of the tongue inferiorly

Action

Shortens the tongue and turns the apex under.

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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