| Levator labii superioris alaeque nasi muscle | |
|---|---|
Muscles of the head, face, and neck. (Levator labii superioris alaeque nasi labeled as the quad. labii sup. closest tonose.) | |
| Details | |
| Origin | Nasal bone |
| Insertion | Nostril and upperlip |
| Nerve | Buccal branch offacial nerve |
| Actions | Dilates thenostril;elevates theupper lip andwing of the nose |
| Identifiers | |
| Latin | m. levator nasolabialis, musculus levator labii superioris alaeque nasi |
| TA98 | A04.1.03.032 |
| TA2 | 2082 |
| FMA | 46802 |
| Anatomical terms of muscle | |
Thelevator labii superioris alaeque nasi muscle (occasionally shortenedalaeque nasi muscle) is, translated fromLatin, the "lifter of both theupper lip and of thewing of the nose". Themuscle is attached to the upper frontal process of themaxilla and inserts into the skin of the lateral part of the nostril and upper lip.[1] At 44 characters, its name is longer than that of any other muscle.[2]
Historically known as Vidar's muscle, it dilates the nostril and elevates the upper lip, enabling one tosnarl.Snore is used because it is the labial elevator closest to the nose. The levator labii superioris alaeque nasi is sometimes referred to as the "angular head" of thelevator labii superioris muscle.[3]