Science Fair Project Encyclopedia
Levator labii superioris alaeque nasi muscle
The levator labii superioris alaeque nasi muscle is, translated from Latin, the "lifter of the upper lip and of the wing of the nose". It is the muscle with the longest name in the human body.
Attachment
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.
Action
It dilates the nostril and elevates the upper lip, enabling one to snarl.
Innervation
The muscle is innervated by the buccal branch of facial nerve, CN VII.
10-26-2009 08:16:03
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The contents of this article is licensed from www.wikipedia.org under the GNU Free Documentation License. Click here to see the transparent copy and copyright details