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AS II Module 4 (part 2) > Lecture 5: infratemporal fossa and pterygopalatine fossa > Flashcards

Lecture 5: infratemporal fossa and pterygopalatine fossa Flashcards

1
Q

lateral boundary of the infratemporal fossa

A

rams of the mandible

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2
Q

medial boundary of the infra temporal fossa

A

lateral pterygoid plate

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3
Q

anterior boundary of the infratemporal fossa

A

posterior aspect of the maxilla

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4
Q

posterior boundary of the infratemporal fossa

A

tympanic plate and mastoid and styloid processes of the temporal bone

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5
Q

superior boundary of the infratemporal fossa

A

inferior (infratemporal) surface of the greater wing of the sphenoid bone

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6
Q

inferior boundary of the infratemporal fossa

A

where the medial pterygoid muscle attaches to the mandible near its angle

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7
Q

lateral access of the infratemporal fossa

A

ramus of the mandible: mandibular foramen (inferior alveolar nerve)

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8
Q

medial access of the infratemporal fossa

A

lateral pterygoid plate: pterygomaxillary fissure (maxillary artery)

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9
Q

anterior access of the infratemporal fossa

A

posterior aspect of the maxilla: alveolar foramen (posterior superior alveolar nerve)

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10
Q

posterior access of the infratemporal fossa

A

tympanic plate and the mastoid and styloid processes of the temporal bone–> no direct access from posterior boundary

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11
Q

superior access of the infratemporal fossa

A

inferior surface of the greater wind of the sphenoid bone

  • foramen spinosusm (middle meningeal artery)
  • foramen ovale (V3)
  • pettotympanic fissure (chorda tympani)
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12
Q

inferior access of the infratemporal fossa

A

where the medial pterygoid muscle attaches to the mandible near its angle–> no direct access from the inferior boundary

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13
Q

contents in the infratemporal fossa

A
  • inferior part of the temporalis muscle
  • lateral and medial pterygoid muscle
  • maxillary artery (1st and 2nd divisions)
  • pterygoid venous plexus
  • mandibular nerve and its branches
  • otic ganglion
  • chorda tympani (from the facial nerve) and lesser petrosal (from the glossopharyngeal nerve) join the mandibular nerve
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14
Q

pterygoid venos plexus connects with the

A
  • retromandibular vein via maxillary vein

- facial vein via deep facial vein

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15
Q

lateral border of the pterygopalatine fossa

A

pterygomaxillary fissure

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16
Q

anterior border of the pterygopalatine fossa

A

posterior surface of maxilla

17
Q

medial border of the pterygopalatine fossa

A

vertical plate of palatine bone

18
Q

posterior border of the pterygopalatine fossa

A

pterygoid process of sphenoid bone

19
Q

superior border of the pterygopalatine fossa

A

portion of greater wing of sphenoid bone

20
Q

inferior border of the pterygopalatine fossa

A

pyramidal process of palatine bone

21
Q

contents of the pterygopalatine fossa

A
  • terminal part of the maxillary artery and the initial part of its branches
  • maxillary nerve and branches
  • nerve of the pterygoid canal
  • pterygopalatine ganglion
22
Q

the pterygomaxillary fissure of the pterygopalatine fossa goes to the …

A

infratemporal fossa

23
Q

the inferior orbital fissure of the pterygopalatine fossa is ….goes to the …

A
  • between sphenoid and maxillary

- to the orbit

24
Q

the sphenopalatine foramen of the pterygopalatine fossa is ….goes to the …

A
  • in palatine bone

- to nasal cavity

25
Q

the palatovaginal canal of the pterygopalatine fossa is ….goes to the …

A
  • in sphenoid bone

- to nasopharynx

26
Q

the foramen rotundum of the pterygopalatine fossa is ….goes to the …

A
  • in sphenoid bone

- to middle cranial fossa

27
Q

the pterygoid canal of the pterygopalatine fossa is ….goes to the …

A
  • in sphenoid bone

- to middle cranial fossa

28
Q

the greater palatine canal of the pterygopalatine fossa is ….goes to the …

A
  • in palatine bone

- to oral cavity

29
Q

7 gateways of the pterygopalatine fossa

A
  • pterygomaxillary fissure
  • inferior orbital fissure
  • sphenopalatine foramen
  • palatovaginal canal
  • foramen rotundum
  • pterygoid canal
  • greater palatine canal

AS II Module 4 (part 2) (3 decks)

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