levator labii superioris muscle

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

(lĕ-vā'tŏr lā'bē-ī sū-pēr-ē-ō'ris mŭs'ĕl)
Origin, maxilla below infraorbital foramen; insertion, orbicularis oris of upper lip; action, elevates upper lip; nerve supply, facial.
Synonym(s): musculus levator labii superioris [TA] .
References in periodicals archive ?
It emerges from the infraorbital foramen, extends to the subcutaneous layer, and is accompanied by the infraorbital vessels deep to the levator labii superioris muscle and malar fat.
LLSM: levator labii superioris muscle; ZM: zygomaticus minor muscle; MF: malar fat; M: medial side.

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