levator labii superioris (muscle)

(redirected from elevator muscle of upper lip)

le·va·tor la·bi·i su·pe·ri·o·ris (mus·cle)

[TA]
facial muscle of upper lip; origin, maxilla below infraorbital foramen; insertion, interspersed with orbicularis oris to reach skin of upper lip; action, elevates upper lip; nerve supply, facial.