zygomaticus minor muscle


zy·go·mat·i·cus mi·nor mus·cle

(zī'gō-mat'i-kŭs mī'nŏr mŭs'ĕl) Facial muscle of anterior cheek extending to upper lip; origin, zygomatic bone posterior to zygomaticomaxillary suture; insertion, orbicularis oris of upper lip; action, draws upper lip upward and outward; nerve supply, facial.
Synonym(s): caput zygomaticum quadrati labii superioris, lesser zygomatic muscle, musculus zygomaticus minor.