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Anatomy HFF > Infratemporal and pterygopalatine fossa 10/24/16 TEST #3 > Flashcards

Infratemporal and pterygopalatine fossa 10/24/16 TEST #3 Flashcards

1
Q

What branch of the trigeminal nerve goes through the infratemporal fossa?

A

CN V-3 via foramen ovale

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2
Q

What artery goes through the foramen spinosum and is found in the infratemporal fossa?

A

Middle meningeal

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3
Q

Is the infratemporal fossa lateral or medial on the skull?

A

Lateral

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4
Q

What space is medial to the infratemporal fossa?

A

Pterygomaxillary fissure

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5
Q

What space is medial to the pterygomaxillary fissure?

A

Pterygopalatine fossa

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6
Q

What space is medial to the pterygopalatine fossa?

A

Sphenopalatine foramen

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7
Q

What space is medial to the sphenopalatine fossa?

A

Nasal cavity

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8
Q

What nerve traverses through the pteryotympanic fissure?

A

Chorda tympani

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9
Q

What is important about the mandibular fossa?

A

It is an articulation place for the TMJ

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10
Q

What structures are involved with the TMJ?

A

Mandibular fossa

  • Articular disc
  • Mandibular condyle
  • Joint capsule
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11
Q

What is between the head of the condyle and the mandibular fossa?

A

Articular disc

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12
Q

Contraction of what muscle pulls both the condylar head and articular disc anterioinferioly to depress the mandible?

A

Lateral Pterygoid

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13
Q

What are the muscles of mastication?

A
  • Temporalis
  • Masseter
  • Medial pterygoid
  • Lateral pterygoid
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14
Q

What innervates the muscles of mastication?

A

V3

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15
Q

What portions of the maxillary artery run in the infratemporal fossa?

A
  • Mandibular

- Pterygoid

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16
Q

Where do you find pterygoid plexus of veins?

A

Infratemporal fossa

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17
Q

What part of the maxillary artery do you fine in the pterygopalatine fossa?

A

Pterygopalatine part

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18
Q

What nerve passes through the pterygopalatine fossa?

A

Maxillary nerve V2

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19
Q

What ganglia do you find in the pterygopalatine fossa?

A

Pterygopalatine ganglion

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20
Q

Where does the Maxillary nerve of the trigeminal nerve enter the pterygopalatine fossa through?

A

Foramen rotundum

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21
Q

What is the first branch off of the maxillary nerve that is found in the pterygopalatine fossa?

A

Posterior superior alveolar nerve (PSA)

22
Q

What is the second branch off of the maxillary nerve found in the pterygopalatine fossa?

A

-Zygomatic nerve

23
Q

What does the zygomatic nerve branch into?

A
  • Zygomaticotemporal

- Zygomaticofacial

24
Q

What additional nerve runs with the zygomatic nerve?

A

-Greater Petrosal nerve (lacrimal gland)

25
Q

What nerves branch towards the palate in the pterygopalatine fossa?

A
  • Greater palatine nerve

- Lesser palatine nerve

26
Q

What is a nerve that branches from the greater and lesser palatine nerves and projects anteriorly?

A

Nasopalatine nerve

27
Q

What nerve from the maxillary nerve runs most anteriorly?

A

Infraorbital nerve

28
Q

What two nerves branch off of the infraorbital nerve?

A
  • Anterior superior alveolar nerve

- Middle superior alveolar nerve

29
Q

What two nerves are Vidians nerve?

A
  • Greater petrosal nerve

- Deep petrosal nerve

30
Q

How does Vidians nerve enter the pterygopalatine fossa?

A

Pterygoid canal

31
Q

What does the greater petrosal nerve branch off of?

A

Facial nerve CN VII

32
Q

How do you find the pterygoid canal?

A

Go just below the medial pterygoid and posterior and look for a hole

33
Q

How do you find the palatovaginal canal?

A

It is usually between the vomer and the medial pterygoid

34
Q

What runs through the palatovaginal canal?

A

The pharyngeal branch of the maxillary artery and nerve

35
Q

What is another name for the palatovaginal canal?

A

pharyngeal canal

36
Q

What branch of CN VII leaves from the internal acoustic meatus and goes to the greater petrosal hiatus?

A

Greater petrosal nerve

37
Q

What does the lesser petrosal nerve do?

A

Parotid gland

38
Q

Where does the lesser petrosal nerve leave the skull at?

A

lesser petrosal hiatus

39
Q

T/F

The greater petrosal nerve enters back through the pterygoid canal

A

True

40
Q

Where does the otic ganglia sit?

A

Infratemporal fossa

41
Q

What nerve do the major ganglia of the head run with?

A

CN V

42
Q

What are the four major parasympathetic ganglia found in the head?

A
  • Ciliary ganglia
  • Petrygopalatine
  • Otic
  • Submandibular
43
Q

What is the sympathetic ganglia found in the head?

A

Superior cervical ganglion

44
Q

T/F

Sympathetics synapse in the parasympathetic ganglia before going to their target

A

False

-They synapse at the superior cervical ganglia but do pass through the parasympathetic ganglia

45
Q

Is the deep petrosal nerve sympathetic or parasympathetic?

A

sympathetic

46
Q

What are all the nerves found in the pterygopalatine fossa?

A
  • Maxillary of V
  • Nasopalatine
  • Zygomatic
  • Pharyngeal nerve
  • Greater petrosal nerve
  • deep petrosal nerve
  • Descending palatine nerve
  • Posterior/Middle, and anterior superior alveolar nerve
  • Infraorbital nerve
47
Q

What are all the arteries found in the pterygopalatine fossa?

A
  • Sphenopalatine
  • Pharyngeal
  • Artery of the pterygoid canal
  • Maxillary artery
  • descending palatine
    • greater and lesser palatine
  • infraorbital
    • Anterior and middle superior alveolar artery
  • Posterior super alveolar artery
48
Q

Where does the pharyngeal artery pass through?

A

Palatovaginal canal aka pharyngeal canal

49
Q

Where does the descending palatine artery leave the pterygopalatine fossa from?

A

-Palatine canal

50
Q

What two things pass through the pharyngeal canal?

A
  • Pharyngeal nerve

- Pharyngeal artery

Anatomy HFF (12 decks)

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