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Mentalis

Other Terms: Musculus mentalis, Muscle mentonnier

Muscle parts

None

Latin name

Musculus mentalis

Latin muscle parts

None

Group

Branchial arch muscle – second arch (Facial muscle)

Etymology

The English name for this muscle is the muscle of the chin. Mentalis comes from the Latin word mentum meaning “chin.”

Origin

Incisive fossa of the mandible

Insertion

Dermis of the chin region

Action

Raises the base of the lower lip helping to protrude the lower lip and wrinkle the skin over the chin.

Nerve supply

Facial nerve (Cranial nerve VII)

Blood supply

Submental branch of the facial artery

Latin

Musculus mentalis

French

Muscle mentonnier

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