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Levator Anguli Oris
Posted On November 14 2018. Updated On November 14 2018.
The levator anguli oris (caninus) is a facial muscle of the mouth arising from the canine fossa, immediately below the infraorbital foramen.
Zygomaticus
Posted On November 14 2018. Updated On November 14 2018.
The Zygomaticus muscle is innervated by the facial nerve (the seventh cranial nerve). The Zygomaticus Major is a muscle of facial expression which draws the angle of the mouth superiorly and posteriorly (smile). However, the Zygomaticus Minor draws the upper lip backward, upward, and outward (used in making sad facial expressions).