Brainscape's Knowledge GenomeTM


Top Flashcards (Certified)
All Flashcards

DHBS 301 > Pterygopalatine Fossa > Flashcards

Pterygopalatine Fossa Flashcards

(70 cards)

Start Studying
1
Q

Where is the pterygopalatine fossa located?

A

Deep to infratemporal region

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

What is in the pterygopalatine fossa?

A
  • CN V2
  • Third part of maxillary artery
  • Pterygopalatine ganglion
  • Nerves that go too and from ganglion
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

What is the pterygomaxillary fissure?

A

Space between the pterygoid plate of sphenoid and posterior part of maxilla

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

What goes through the pterygomaxillary fissure?

A

Maxillary artery from the infratemporal fossa to the pterygopalatine fossa

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

What is the inferior orbital fissure?

A
  • Groove in the maxilla
  • Goes to the floor of the orbit roof of the maxillary sinus
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

What is the sphenopalatine foramen?

A
  • Body of sphenoid meets notch in palatine
  • Goes to the nasal cavity
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

What is the pharyngeal canal?

A
  • Located at the junction of the posterior and medial walls of the fossa
  • Goes to the nasopharynx and auditory tube
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

What is the pterygoid canal?

A
  • Located behind the base of the sphenoid sinus
  • Goes to the nasal cavity
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

What is the foramen rotundum?

A

How CN V2 enters the pterygopalatine fossa from the middle cranial fossa

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

Maxillary artery

A

Goes from the infratemporal fossa, to the pterygomaxillary fissure, to the pterygopalatine fossa

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

How does the posterior superior alveolar nerve exit the pterygopalatine fossa to enter the infratemporal fossa?

A

Pterygomaxillary fissure

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

What enters the posterior superior alveolar canals/foramina?

A

Posterior superior alveolar nerve

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

What does the posterior superior alveolar nerve supply?

A
  • Maxillary sinus
  • Alveolar process to supply posterior maxillary teeth
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

How does the infraorbital artery leave the pterygopalatine fossa?

A

Inferior orbital fissure

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q

What branches from the infraorbital artery

A
  • Orbital branches
  • Anterior superior alveolar artery
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
16
Q

What does the infraorbital foramen supply? What foramen does it go through to do this?

A
  • Face
  • Infraorbital foramen
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
17
Q

Orbital branches

A

Small branches to the orbit

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
18
Q

What does the anterior superior alveolar artery supply?

A
  • Maxillary sinus
  • Alveolar process near incisors
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
19
Q

How does the descending palatine artery leave the pterygopalatine fossa>

A

Palatine canal

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
20
Q

What does the descending palatine artery branch into?

A
  • Greater palatine artery
  • Lesser palatine artery
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
21
Q

What foramen does the greater palatine foramen go through? What does it supply?

A
  • Greater palatine foramen
  • Hard palate
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
22
Q

What does the greater palatine artery anastomoses with? Where?

A
  • Nasopalatine artery
  • Through the incisive foramen
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
23
Q

What foramen does the lesser palatine foramen go through? What does it supply?

A
  • Lesser palatine foramen
  • Soft palate
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
24
Q

What branches from the sphenopalatine artery?

A
  • Lateral posterior nasal arteries
  • Medial posterior nasal arteries
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
25
What foramen does the sphenopalatine artery exit?
Sphenopalatine foramen
26
Where does the lateral posterior nasal arteries go?
Lateral nasal wall
27
Where does the medial posterior nasal arteries go?
Ramify on septum
28
After giving rise to two branches, the sphenopalatine artery continues alongside what nerve?
Nasopalatine nerve
29
Where does the pharyngeal artery go through? To supply what?
- Pharyngeal canal - Supplies the nasopharynx
30
What does the artery of the pterygoid canal supply?
Auditory tube, middle ear, and pharynx
31
Is CN V2 motor or sensory?
Sensory
32
What ganglion does CN V2 pass through in the cavernous sinus?
Semilunar ganglion
33
What foramen does CN V2 leave the middle cranial fossa?
Foramen rotundum
34
Where does CN V2 distribute it's branches?
Pterygopalatine fossa
35
What nerve is not always present?
Middle superior alveolar nerve
36
What does the posterior superior alveolar nerve innervate?
- Maxillary sinus - Maxillary molars - Adjacent vestibular gingiva
37
What is the exception that the posterior superior alveolar nerve does not innervate?
Mesiobuccal root of 1st molar
38
What does the middle superior alveolar nerve innervate?
- Maxillary sinus - Maxillary premolars - Mesiobuccal root of 1st molar - Adjacent vestibular gingiva
39
What does the anterior superior alveolar nerve innervate?
- Maxillary sinus - Maxillary incisors and canines - Adjacent vestibular gingiva
40
What nerve passes through the pterygomaxillary fissure into the infratemporal fossa?
Posterior superior alveolar nerve
41
What does the zygomaticofacial nerve innervate? What does it go through?
- Sensory to skin of face - Goes through the zygomaticofacial foramen
42
What does the zygomatic nerve pass through?
Inferior orbital fissure
43
What does the zygomaticotemporal nerve innervate? What does it go through
- Sensory to skin of face and temple - Goes through zygomaticotemporal foramen
44
What type of fibers does the communicating branch carry?
Postganglionic parasympathetic fibers
45
What does the communicating branch arise from?
Zygomatic nerve
46
What does the communicating branch extend to?
Lacrimal branches of CN V1
47
What innervates the lacrimal gland?
Communicating branch
48
What does the pterygopalatine nerve connect?
Main trunk of the maxillary nerve to the pterygopalatine ganglion
49
Sensory fibers from CN V2 that provide sensory innervation to the nose, palate, tonsil, and gingiva pass through...
Pterygopalatine ganglion, but does not synapse
50
Is the pharyngeal nerve motor or sensory?
Sensory
51
Where does the pharyngeal nerve course?
Pharyngeal canal to the posterior nasopharynx to the auditory tube
52
Superior lateral posterior nasal branches provide...
Sensory innervation to the lateral wall of nasal cavity
53
Medial posterior nasal branches provide...
Sensory innervation to the nasal septum
54
The nasopalatine nerve provides...
Sensory innervation to the nasal septum and palatal mucosa adjacent to the maxillary incisors and canines
55
What is in the palatine canal?
- Descending palatine artery - Greater palatine nerve - Lesser palatine nerve
56
What does a posterior superior alveolar nerve block do?
Numb maxillary molars, except mesial side of 1st molar and vestibular gingiva
57
What does a middle superior alveolar nerve block do?
Numb maxillary premolars and part of 1st molar and vestibular gingiva
58
What does an anterior superior alveolar nerve block do?
- Numbs incisors, canines, premolars, and adjacent gingiva
59
Where does the needle go for a maxillary nerve block?
Pterygopalatine fossa
60
Paresthesias
Abnormal sensation or tingling
61
Hypoesthesias
Diminished sensation
62
The deep petrosal nerve conveys...
Sympathetic fibers from the superior cervical ganglion
63
The greater petrosal nerve conveys...
Parasympathetic and taste fibers from the brain
64
What unites to form the nerve of the pterygoid canal?
- Dep petrosal nerve - Greater petrosal nerve
65
Taste sensation is conveyed by the...
- Greater petrosal nerve, CN V2 - Nerve of the pterygoid canal - Greater palatine nerve - Lesser palatine nerve
66
Cell bodies of taste neurons are located in the...
Geniculate ganglion
67
Where does the greater petrosal nerve convey parasympathetic innervation to?
Pterygopalatine ganglion
68
Sympathetic innervation is conveyed to...
- Superior cervical ganglion - Prearterial plexus - Deep petrosal nerve - Nerve of the pterygoid canal
69
The maxillary nerve carries what kind of fibers?
- Postganglionic paraysmpathetic - Postganglionic sympathetic
70

DHBS 301 (21 decks)

Brainscape helps you reach your goals faster, through stronger study habits.
© 2025 Bold Learning Solutions. Terms and Conditions