levator labii superioris muscle

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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.
The facial artery is deep to the platysma, risorius, zygomaticus major and minor, levator labii superioris, and levator labii superioris alaeque nasi muscles.
Then in quick succession, we add the smiling muscles, levator anguli oris (attaching just below the eye to lift the corners of the mouth) and the sadness muscles, levator labii superioris (Fig 4) (which deepen the nasiolabial fold when crying or being serious) and the depressor anguli oris, the disgust muscle (a triangular muscle attaching to the lower jaw at the side of the mouth) which lowers the corners of the mouth.
Patients were given injections in the levator labii superioris nasalis muscle - otherwise known as the Elvis muscle, the Independent reported.
Prior to the resection of the tumour, the Levator Labii Superioris and the Zygomaticus Major muscles were identified and 4.0 Ti-CronTM (Covidien) modified Kessler sutures were used to secure the muscles to prevent retraction of the muscles superiorly after resection.
1###Overlapping area of levator Labii superioris alaeque nasi and levator labii superioris
During the first one, the upper lip and the nasolabial folds are contracted, with participation of the levator labii superioris, the zygomatic major muscle, and some upper fibers of the buccinator.
The direct influence of the depressor septi and the levator labii superioris alaeque nasi on the nasal valve is not yet clear.
(13) It is a point located at the centre of triangle formed by levator labii superioris, levator labii superioris alaeque nasi and zygomaticus minor.
* the buccal branch, which innervates the procerus, the zygomaticus major and minor, the levator labii superioris, the levator anguli oris, nasal muscles, the buccinator, and the orbicularis oris
Nasolabial folds are created by the zygomaticus minor, levator labii superioris, orbicularis oris, and levator labii superioris alaeque nasi.

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