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Levator Labii Superioris Alaeque Nasi Muscle

ORIGIN AND INSERTION

It arises from the frontal process of maxilla, also known as the inferomedial margin of orbit. It ends up by making distal attachment to the major alar cartilage of nose.

 

NERVE SUPPLY

This muscle gets its innervations from the facial nerve (7th cranial nerve) through the buccal branch.

 

BLOOD SUPPLY

Levator labii superioris is supplied arterially by the facial artery.

 

FUNCTIONS

It plays its role in certain facial movements that result in typical expressions. Levator labii superioris alaeque nasi dilates the anterior nasal aperture by depressing the ala laterally. This results in flaring nostrils such as seen in anger and exertion.


ORIGIN AND INSERTION

It arises from the frontal process of maxilla, also known as the inferomedial margin of orbit. It ends up by making distal attachment to the major alar cartilage of nose.

 

NERVE SUPPLY

This muscle gets its innervations from the facial nerve (7th cranial nerve) through the buccal branch.

 

BLOOD SUPPLY

Levator labii superioris is supplied arterially by the facial artery.

 

FUNCTIONS

It plays its role in certain facial movements that result in typical expressions. Levator labii superioris alaeque nasi dilates the anterior nasal aperture by depressing the ala laterally. This results in flaring nostrils such as seen in anger and exertion.

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