Muscles in the Head Flashcards
What is the origin of the caninus muscle?
Zygomatic arch (facial crest)
What is the insertion of the caninus muscle
Connective tissue of the nostril
What is the function of the caninus muscle?
Flaring of nostrils
What is the origin of the levator nasolabialis?
Frontal and nasal bones
What is the insertion of the levator nasolabialis?
Upper lip and outer rim of the nostril, orbicularis oris
What is the function of the levator nasolabialis?
Lifts lateral angle of the lip, dilates nostril
What is the origin of the levator labii superioris?
Lacrimal bone
What is the insertion of the levator labii superioris?
Upper lip
What is the function of the levator labii superioris?
Elevates upper lip, responsible for the Flehmen Response
What is the origin of the zygomaticus?
Zygomatic arch (facial crest)
What is the insertion of the zygomaticus?
Angle of the mouth
What is the function of the zygomaticus?
Moves lips, retracts corner of the mouth; runs along the zygomatic arch
What is the origin of the buccinator?
Maxilla and coronoid process
What is the insertion of the buccinator?
Mandible
What is the function of the buccinator?
The cheek; moves food between teeth, can undulate with tongue