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Levator labii superioris alaeque nasi muscle

Muscle that allows for snarling

Muscle that allows for snarling

FieldValue
NameLevator labii superioris alaeque nasi muscle
Latinm. levator nasolabialis, musculus levator labii superioris alaeque nasi
ImageMusculuslevatorlabiisuperiorisalaequenasi.png
CaptionMuscles of the head, face, and neck. (Levator labii superioris alaeque nasi labeled as the quad. labii sup. closest to nose.)
OriginNasal bone
InsertionNostril and upper lip
NerveBuccal branch of facial nerve
ActionDilates the nostril; elevates the upper lip and wing of the nose

The levator labii superioris alaeque nasi muscle (occasionally shortened alaeque nasi muscle) is, translated from Latin, the "lifter of both the upper lip and of the wing of the nose". The muscle is attached to the upper frontal process of the maxilla and inserts into the skin of the lateral part of the nostril and upper lip. At 44 characters, its name is longer than that of any other muscle.

Overview

Historically known as Otto's muscle, it dilates the nostril and elevates the upper lip, enabling one to snarl. 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 the levator labii superioris muscle.

References

References

  1. "Levator labii superioris alaeque nasi {{!}} Encyclopedia {{!}} Anatomy.app {{!}} Learn anatomy {{!}} 3D models, articles, and quizzes".
  2. Bell, Daniel J.. "Levator labii superioris alaeque nasalis muscle {{!}} Radiology Reference Article {{!}} Radiopaedia.org".
  3. Eliot Goldfinger Artist/Anatomist. (7 November 1991). "Human Anatomy for Artists : The Elements of Form: The Elements of Form". Oxford University Press.
Info: Wikipedia Source

This article was imported from Wikipedia and is available under the Creative Commons Attribution-ShareAlike 4.0 License. Content has been adapted to SurfDoc format. Original contributors can be found on the article history page.

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