zygomaticus major muscle


zy·go·mat·i·cus ma·jor mus·cle

(zī'gō-mat'i-kŭs mā'jŏr mŭs'ĕl) 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.