Origin: Maxilla

Insertion: Modiolus of mouth

Artery: Facial artery

Nerve: Facial nerve

Action: Smile (elevates angle ofmouth)

Levator anguli oris arises from the canine fossa, immediately below the infraorbital foramen; its fibers are inserted into the angle of the mouth, intermingling with those of the Zygomaticus, Triangularis, and Orbicularis oris.

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


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