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BDS3 ANATOMY > Temporal and Infratemporal Regions > Flashcards

Temporal and Infratemporal Regions Flashcards

1
Q

what are the superior and posterior borders of the temporal fossa?

A

superior & inferior temporal lines

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2
Q

what is the anterior border of the temporal fossa?

A
  • frontal process of zygomatic bone
  • zygomatic process of frontal bone
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3
Q

what is the inferior border of the temporal fossa?

A

infratemporal crest deep to zygomatic arch

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4
Q

what is the roof of the temporal fossa covered by? why is this?

A

Temporal fascia
- provides resistance to masseter muscle

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5
Q

what is the lateral border of the infratemporal fossa?

A

ramus of mandible

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6
Q

what is the medial border of the infratemporal fossa?

A

lateral pterygoid plate of sphenoid bone

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7
Q

what is the anterior border of the infratemporal fossa?

A

posterior aspect of maxilla

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8
Q

what are the posterior borders of the infratemporal fossa?

A
  • tympanic plate
  • mastoid & styloid processes
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9
Q

What is the superior border of the infratemporal fossa?

A

infratemporal crest of sphenoid bone

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10
Q

what is the inferior border of the infratemporal fossa?

A

angle of the mandible (site where the medial pterygoid attaches)

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11
Q

what muscles are located in the infratemporal fossa?

A
  • inferior part of temporalis muscle
  • lateral pterygoid
  • medial pterygoid
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12
Q

what blood vessels are located in the infratemporal fossa?

A
  • maxillary artery
  • pterygoid venous plexus
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13
Q

what nerves are located in the infratemporal fossa?

A
  • mandibular
  • inferior alveolar
  • lingual
  • buccal
  • chorda tympani
  • otic ganglion
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14
Q

where does the mandibular nerve originate from?

A

the trigeminal ganglion

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15
Q

where does the mandibular nerve exit the skull?

A

foramen ovale

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16
Q

what are the branches of the mandibular nerve?

A
  • auriculotemporal
  • inferior alveolar
  • lingual
  • buccal
17
Q

what nerve encircles the middle meningeal artery?

A

the auriculotemporal nerve

18
Q

what region of the face does the auriculotemporal supply?

A
  • sensory fibres to the auricle & temporal region
  • sensory fibres to the TMJ
19
Q

how is the maxillary artery divided?

A

based on its location to the lateral pterygoid muscle

20
Q

what are the main branches of the maxillary artery?

A
  • middle meningeal
  • inferior alveolar
  • anterior & posterior deep temporal
  • masseteric
  • buccal
  • superior alveolar
21
Q

where do most of the veins that accompany the maxillary artery drain into?

A

pterygoid venous plexus

BDS3 ANATOMY (26 decks)

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