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Levator anguli oris

Other Terms: Musculus levator anguli oris, Muscle releveur de l'angle de la bouche

Muscle parts

None

Latin name

Musculus levator anguli oris

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 corner of the mouth. The term levator comes from the Latin verb levare meaning “to lift.” Angulus is the Latin term for “a corner, or bend.” The Latin term oris is from the Latin os meaning “a mouth or opening.”

Origin

Canine fossa of the maxillary bone

Insertion

Modiolus at angle of the mouth and the overlying dermis

Action

Raises the angle of the mouth and works in concert with other muscles to deepen the nasolabial furrow.

Nerve supply

Facial nerve (Cranial nerve VII)

Blood supply

Facial artery

Latin

Musculus levator anguli oris

French

Muscle releveur de l'angle de la bouche

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