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The Levator Labii Superioris Alaeque Nasi is a muscle of facial expression of the nose and a muscle of fascial expression of the mouth.
The muscles of facial expression of the nose are:
The muscles of facial expression of the mouth are:
- Levator Labii Superioris Alaeque Nasi
- Levator Labii Superioris
- Zygomaticus Minor
- Zygomaticus Major
- Levator Anguli Oris
- Depressor Anguli Oris
- Depressor Labii Inferioris
- Orbicularis Oris
The Levator Labii Superioris Alaeque Nasi has two parts: Medial Slip and Lateral Slip.
- Maxilla to the upper lip and the nose.
- The lateral slip attaches into the upper lip.
- The medial slip attaches into the nose.
- Elevates the upper lip.
- Flares the nostril.
NOTE: Flaring the nostrils is functionally important for the intake of a deep breath. It is also important for the facial expression of anger.