Mentalis muscle

Musculus mentalis

  • Related terms: Mentalis

Definition

Origin: Anterior mandible

Insertion: Chin

Nerve: Mandibular branch of facial nerve

Action: Elevates and wrinkles skin ofchin, protrudes lower lip

Description:
The Mentalis (Levator menti) is a small conical fasciculus, situated at the side of the frenulum of the lower lip. It arises from the incisive fossa of the mandible, and descends to be inserted into the integument of the chin.

References

This definition incorporates text from a public domain edition of Gray's Anatomy (20th U.S. edition of Gray's Anatomy of the Human Body, published in 1918 – from http://www.bartleby.com/107/).

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