Depressor Septi Nasi

Joe Muscolino

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The depressor septi nasi, a muscle of facial expression, on the right side of the body.

The Depressor Septi Nasi is a muscle of facial expression of the nose. The muscles of facial expression of the nose are:



  • Maxilla to the cartilage of the nose.
    • The superior attachment is into both the septum (hence the name) of the nose and the alar cartilage of the nose.



  • Constricts the nostril.


NOTE: The nasalis also constricts the nostril.