Head&neck

Front 1

describe infratemporal fossa

Back 1

1.anterior:posterior surface of the maxilla
2.posterior:styloid process
3.medial: lateral pterygoid plate of the sphenoid bone
4.lateral:ramus and coronoid process of the mandible
5.roof:infratemporal surface of the greater wing of the sphenoid bone

Front 2

Name the muscles of Mastication

Back 2

temporalis
masseter
lateral pterygoid
medial pterygoid

Front 3

temporalis-
1.origin?
2.insertion?
3.nerve?
4.action on mandible?

Back 3

1.temporal fossa
2.coronoid process and ramus of mandible
3.trigeminal nerve
4.elevates;retracts

Front 4

masseter-
1.origin?
2.insertion?
3.nerve?
4.action on mandible?

Back 4

1.lower border and medial surface of zygomatic arch
2.lateral surface coronoid process,ramus and angle of mandible
3.trigeminal nerve
4.elevates (superficial part);retracts(deep part)

Front 5

Lateral pterygoid-
1.origin?
2.insertion?
3.nerve?
4.action on mandible?

Back 5

1.superior head from infratemporal surface of sphenoid;inferior head from lateral surface of lateral pterygoid plate of sphenoid
2.neck of mandible;articular disk and capsule of mandibular joint
3.trigeminal nerve
4.protracts (inferior head);depresses (superior head)

Front 6

medial pterygoid-
1.origin?
2.insertion?
3.nerve?
4.action on mandible?

Back 6

1.tuber of maxialla; medial surface of lateral pterygoid plate; pyramidal process of palatine bone
2.medial surface of angle and ramus of mandible
3.trigeminal nerve
4.protracts;elevates

Front 7

describe temporal fossa

Back 7

1.anterior:zygomatic process of the frontal bone and the frontal process of the zygomatic bone
2.posterior:temporal line
3.superior:temporal line
4.inferior:zygomatic arch
5.floor:parts of frontal, parietal,temporal and greater wing of the sphenoid bone