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7 Cards in this Set

  • Front
  • Back
describe infratemporal fossa
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
Name the muscles of Mastication
temporalis
masseter
lateral pterygoid
medial pterygoid
temporalis-
1.origin?
2.insertion?
3.nerve?
4.action on mandible?
1.temporal fossa
2.coronoid process and ramus of mandible
3.trigeminal nerve
4.elevates;retracts
masseter-
1.origin?
2.insertion?
3.nerve?
4.action on mandible?
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)
Lateral pterygoid-
1.origin?
2.insertion?
3.nerve?
4.action on mandible?
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)
medial pterygoid-
1.origin?
2.insertion?
3.nerve?
4.action on mandible?
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
describe temporal fossa
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