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/).