Levator anguli oris

The levator anguli oris (caninus) is a facial muscle of the mouth arising from the canine fossa, immediately below the infraorbital foramen. It elevates angle of mouth medially. Its fibers are inserted into the angle of the mouth, intermingling with those of the zygomaticus, triangularis, and orbicularis oris. Specifically, the levator anguli oris is innervated by the buccal branches of the facial nerve.

Levator anguli oris
Scheme showing arrangement of fibers of orbicularis oris.
ArteryFacial artery
NerveBuccal branches of the facial nerve
ActionsSmile (elevates angle of mouth)
LatinMusculus levator anguli oris or musculus caninus
Anatomical terms of muscle

Additional images


This article incorporates text in the public domain from page 383 of the 20th edition of Gray's Anatomy (1918)

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