Nasal group Flashcards
What are the muscles of the nasal group?
Nasalis — with its transverse and alar parta, procerus, and depressor septi
What is the origin of nasalis transverse muscle?
Maxilla lateral to nose.
What is the insertion of nasalis — transverse part?
Dorsum of the nose onto fibers of each muscle.
What is the function of the transverse part of nasalis muscle?
Compresses the nasal aperture.
What is the origin of the alar part of nasalis muscle?
Maxillary bone over lateral incisors.
What is the insertion of the alar part of the nasalis muscle?
Alar cartilage of nose.
What is the function of the alar part of nasalis muscle?
Pulls nose downward and laterally, opening nose.
What is the origin of procerus?
Nasal bone and upper part of lateral cartilage.
What is the insertion of the procerus muscle?
Skin of lower forehead between eyebrows?
What is the function of the procerus muscle?
Draws down medial angle of eyebrows.
What is the origin of depressor septi?
Maxilla over the medial incisors.
What is the insertion of depressor septi?
The mobile part of the nasal septum.
What is the function of depressor septi?
Depresses nose.
