Muscles of Mastication Flashcards
1
Q
Masseter
A
O: zygomatic arch
I: ramus and angle of mandible (lateral surface)
A: elevation of mandible
In: trigeminal nerve
2
Q
Temporalis
A
O: lateral surface of skull (temporal fossa)
I: coronoid process and anterior part of ramus of mandible
A: elevation of mandible, retraction of mandible
In: trigeminal nerve
3
Q
Lateral Pterygoid
A
O: lateral surface of lateral pterygoid plate of sphenoid bone + greater wing of the sphenoid bone
I: neck of mandible + capsule and disk of tempormandibular joint
A: protraction of mandible
In: trigeminal nerve
4
Q
Medial Pterygoid
A
O: medial surface of lateral pterygoid plate of sphenoid bone + maxillary tubercle
I: ramus and angle of mandible
A: elevation of mandible
In: trigeminal nerve
