zygomaticus major (muscle)

zy·go·ma·ti·cus ma·jor (mus·cle)

[TA] facial muscle of anterior cheek extending to upper lip; origin, zygomatic bone anterior to temporozygomatic suture; insertion, muscles at angle of mouth; action, draws upper lip upward and laterally; nerve supply, facial. Synonym(s): musculus zygomaticus major [TA], greater zygomatic muscle, musculus zygomaticus