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Zygomaticus major

Other Terms: Musculus zygomaticus major, Muscle grand zygomatique

Muscle parts

None

Latin name

Musculus zygomaticus major

Latin muscle parts

None

Group

Branchial arch muscle – second arch (Facial muscle)

Etymology

In English, this muscle’s name is the greater muscle of the yoke-shaped bone. Zygomaticus comes from the Greek zygon meaning “yoke.” The term major comes from the Latin maior meaning “greater.” As is typical in anatomical terminology, this comparative reference clues you into the fact that this is a larger version of a similar placed smaller muscle.

Origin

Lateral surface of the zygomatic bone near its suture with the temporal bone

Insertion

Blends with the fibers of the levator anguli oris and orbicularis oris at the modiolus

Action

The muscle pulls the angle of the mouth superiorly and laterally.

Nerve supply

Facial nerve (Cranial nerve VII)

Blood supply

Facial artery and transverse facial artery.

Latin

Musculus zygomaticus major

French

Muscle grand zygomatique

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