Muscles of the Head

Question 1

Temporalis

Answer 1

O: Temporal bone
I: Coronoid process of mandible
A: Closes jaw
N: Trigeminal Nerve

Question 2

Masseter

Answer 2

O: Zygomatic arch and zygomatic bone
I: Angle and ramus of mandible
A: Prime mover of jaw closure
N: Trigeminal Nerve (CN V)

Question 3

Buccinator

Answer 3

O: Maxilla and mandible
I: Orbicularis oris
A: Compresses the cheek
N: Facial Nerve (CN VII)