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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
What nerves branch towards the palate in the pterygopalatine fossa?
- Greater palatine nerve | - Lesser palatine nerve
26
What is a nerve that branches from the greater and lesser palatine nerves and projects anteriorly?
Nasopalatine nerve
27
What nerve from the maxillary nerve runs most anteriorly?
Infraorbital nerve
28
What two nerves branch off of the infraorbital nerve?
- Anterior superior alveolar nerve | - Middle superior alveolar nerve
29
What two nerves are Vidians nerve?
- Greater petrosal nerve | - Deep petrosal nerve
30
How does Vidians nerve enter the pterygopalatine fossa?
Pterygoid canal
31
What does the greater petrosal nerve branch off of?
Facial nerve CN VII
32
How do you find the pterygoid canal?
Go just below the medial pterygoid and posterior and look for a hole
33
How do you find the palatovaginal canal?
It is usually between the vomer and the medial pterygoid
34
What runs through the palatovaginal canal?
The pharyngeal branch of the maxillary artery and nerve
35
What is another name for the palatovaginal canal?
pharyngeal canal
36
What branch of CN VII leaves from the internal acoustic meatus and goes to the greater petrosal hiatus?
Greater petrosal nerve
37
What does the lesser petrosal nerve do?
Parotid gland
38
Where does the lesser petrosal nerve leave the skull at?
lesser petrosal hiatus
39
T/F | The greater petrosal nerve enters back through the pterygoid canal
True
40
Where does the otic ganglia sit?
Infratemporal fossa
41
What nerve do the major ganglia of the head run with?
CN V
42
What are the four major parasympathetic ganglia found in the head?
- Ciliary ganglia - Petrygopalatine - Otic - Submandibular
43
What is the sympathetic ganglia found in the head?
Superior cervical ganglion
44
T/F | Sympathetics synapse in the parasympathetic ganglia before going to their target
False | -They synapse at the superior cervical ganglia but do pass through the parasympathetic ganglia
45
Is the deep petrosal nerve sympathetic or parasympathetic?
sympathetic
46
What are all the nerves found in the pterygopalatine fossa?
- 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
What are all the arteries found in the pterygopalatine fossa?
- 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
Where does the pharyngeal artery pass through?
Palatovaginal canal aka pharyngeal canal
49
Where does the descending palatine artery leave the pterygopalatine fossa from?
-Palatine canal
50
What two things pass through the pharyngeal canal?
- Pharyngeal nerve | - Pharyngeal artery

Anatomy HFF (12 decks)

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