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Gross Anatomy > Head: Skull Imaging > Flashcards

Head: Skull Imaging Flashcards

1
Q

Paranasal sinuses

A
  • Air filled cavities

- Extensions of respiratory tract

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2
Q

Paranasal sinuses function

A
  • Heat, humidify air

- Sound resonance

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3
Q

Paranasal sinuses locations

A
  • Frontal
  • Ethmoid
  • Sphenoid
  • Maxillary
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4
Q

Temporomandibular joint consists of

A
  • Mandibular condyle
  • Mandibular fossa
  • Articular disc
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5
Q

Temporomandibular joint

A
  • Modified synovial hinge joint (allows for more than just flex/ext)
  • Divided into two cavities
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6
Q

Upper Temporomandibular joint function

A
  • Translation of disc
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7
Q

Lower Temporomandibular joint function

A
  • Rotation of mandibular condyle
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8
Q

Temporomandibular joint innervation

A
  • Innervated by V3
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9
Q

Temporomandibular joint muscles

A
  • Lateral pterygoid muscle attaches to anterior disc/mandible neck
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10
Q

Ligaments of the Temporomandibular joint

A
  • Joint capsule
  • Lateral ligament
  • Stylomandibular ligament
  • Sphenomandibular ligamen
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11
Q

Temporomandibular Joint Dysfunction (TJD)

A
  • Blanket term for conditions that cause pain, dysfunction, of the TMJ and/or muscles of mastication
  • Myofascial
  • Articular disc
  • Arthritis
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12
Q

Symptoms of Temporomandibular Joint Dysfunction (TJD)

A
  • Pain, pain with jaw movement
  • Stiffness/reduced range of motion
  • Jaw locking
  • Altered teeth alignment
  • Headaches, dizziness, tinnitus
  • Bruxism
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13
Q

Dislocation of the TMJ

A
  • Anterior is most common
  • Posterior dislocation uncommon because of bone/ligament support
  • Lateral ligament
  • Postglenoid tubercle
  • Trauma related - mandibular fracture could be present
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14
Q

Occipito-Mental view is also called

A
  • Waters view
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15
Q

Elevation of mandible (mouth closing) muscles

A
  • Temporalis
  • Masseter
  • Medial pterygoid
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16
Q

Depression of mandible (mouth opening) muscles

A
  • Lateral pterygoid
  • Suprahyoid
  • Infrahyoid muscles
17
Q

Protrusion of mandible (protruding chin) muscles

A
  • Lateral pterygoid
  • Masseter
  • Medial pterygoid
18
Q

Retrusion of mandible (retruding chin) muscles

A
  • Temporalis (posterior oblique and near horizontal fibers)

- Masseter

19
Q

Lateral movement of mandible (grinding and chewing) muscles

A
  • Temporalis of same side
  • Pterygoids of opposite side
  • Masseter

Gross Anatomy (50 decks)

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