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Levator labii superioris

Other Terms: Musculus levator labii superioris, Muscle releveur de la lèvre supérieure

Muscle parts

None

Latin name

Musculus levator labii superioris

Latin muscle parts

None

Group

Branchial arch muscle – second arch (Facial muscle)

Etymology

The English for this muscle name is the muscle that lifts the upper lip. Levator comes from the Latin levare meaning “to lift.” labium is the Latin term for “lip.” The Latin term superior is derived from the Latin super meaning “above.”

Origin

Anterior surface of the maxilla and zygomatic bones just below the orbit and lateral to the infraorbital foramen

Insertion

Lateral aspect of the upper lip between the insertions of the zygomaticus minor and the levator labii superioris alaeque nasi muscles

Action

Raises and everts the upper lip and in concert with other muscles deepens the nasolabial furrow.

Nerve supply

Facial nerve (Cranial nerve VII)

Blood supply

Facial artery

Latin

Musculus levator labii superioris

French

Muscle releveur de la lèvre supérieure

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