Topik 5 Flashcards

1
Q

What is temporomandibular joint

A

Articulates between mandible and temporal

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2
Q

Occipital bone

A

Protect cerebellum and occipital lobes
Provides attachment for several muscle and ligaments

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3
Q

Parietal bone

A

Bilateral bones
Two surface, 4 boarders and 4 angles

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4
Q

Facial muscles

A

Located in the subcutaneous tissue
Innervated by facial expressions
3 groups; orbital, nasal, oral

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5
Q

Orbital group

A

Corrugator supercilii
Orbicularis oculi
Control movement of eyelids

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6
Q

Nasal group

A

Nasalis
Procerus
Depressor septi nasi

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7
Q

Oral group

A

Buccinator
Obcularis oris

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8
Q

Tmj bony surfaces

A

Separated by articular disk
2 synovial join- lines synovial membrane
Covered by fibrocartilage

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9
Q

Tmj ligaments

A

Lateral- prevent dislocated posterior joint
Sphenomandibular- originates from sphenoid, attached to the mandible
Stylomandibular- support weight of jaw

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10
Q

Movement of tmj

A

Elevation
Depression
Protraction
Retraction

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