Brainscape's Knowledge GenomeTM


Top Flashcards (Certified)
All Flashcards

Anatomy Block 3 > Pterygopalatine Fossa > Flashcards

Pterygopalatine Fossa Flashcards

(53 cards)

Start Studying
1
Q

Where is the pterygopalatine fossa located?

A

-small space that is medial the the infratemporal fossa
Anterior boundary: posterior surface of the maxilla
Posterior boundary: pterygoid process
Superior boundary: greater wing of the sphenoid
Medial boundary: perpendicular plate of palatine bone

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

Lateral wall of the pterygopalatine fossa

A

Pterygomaxillary fissure

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

Medial wall of pterygopalatine fossa

A

Sphenopalatine for amen

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

Anterior wall of pterygopalatine fossa

A

Inferior orbital fissure

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

Posterior wall of the pterygopalatine fossa

A

Pterygoid canal

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

Ceiling of pterygopalatine fossa

A

For amen rotundum

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

What is the floor of the pterygopalatine fossa?

A

NO FLOOR

-just a passage to the greater and lesser palatine canals

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

What nerve passes through the pterygopalatine fossa?

A

V2

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

What ganglion hangs from the pterygopalatine fossa?

A

Pterygopalatine ganglion

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

What kind of ganglion is the pterygopalatine ganglion?

A

Parasympathetic

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

What three types of fibers does the pterygopalatine ganglion receive?

A

Sensory
Preganglionic parasympathetic
Postganglionic sympathetic

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

What supplies the sensory fibers to the pterygopalatine ganglion?

A

V2

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

What supplies preganglionic parasympathetic fibers to the pterygopalatine ganglion?

A

Greater petrodollars nerve

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

What supplies the postganglionic sympathetic fibers to the pterygopalatine ganglion?

A

Deep petrodollars nerve

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

The greater petrosal nerve is a branch of what

A

Facial (CN VII)

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
16
Q

What kind of fibers does the greater petrosal nerve have?

A

Preganglionic parasympathetic fibers

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
17
Q

What makes up the nerve of the pterygoid canal?

A

Greater petrosal nerve and deep petrosal nerve

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

What kind of fibers does the nerve of the pterygoid canal have?

A

Autonomic fibers!

-preganglionic parasympathetic from greater petrosal nerve and postganglionic sympathetic from deep petrosal nerve

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
19
Q

Where does the nerve to the pterygoid Canal terminate?

A

Pterygopalatine ganglion

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

What fibers synapse in the pterygopalatine ganglion and which ones pass through?

A
  • preganglionic parasympathetic fibers synapse there

- postganglionic sympathetic pass through

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
21
Q

What are the branches from the pterygopalatine ganglion?

A
  • greater palatine nerve
  • lesser palatine nerve
  • nasopalatine nerve
  • posterolateral branches
  • pharyngeal nerve
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
22
Q

What for amen does the maxillary nerve exit the middle cranial fossa through?

Study These Flashcards
A

For amen rotundum

23
Q

What kind of fibers does the maxillary nerve contain?

Study These Flashcards
A

Sensory fiber only

24
Q

What does the maxillary nerve enter the orbit through?

Study These Flashcards
A

Inferior orbital fissure

25
What does the maxillary nerve change its name to when it enters the orbit?
Infraorbital nerve
26
What part of the orbit does the infraorbital nerve (maxillary nerve) travel through?
Floor of the orbit
27
Intracranial branch of V2 innervates...
Dura mater in the middle cranial fossa
28
Ganglionic branches of V2
Connects to the pterygopalatine ganglion - contains mostly sensory fibers - contains a few postganglionic parasympathetic fibers
29
What does the zygomatic nerve (branch of V2) divide into?
Zygomaticotemporal and zygomaticofacial nerves
30
What does the zygomatic nerve innervates?
Skin over temporal region and cheek
31
Zygomaticotemporal nerve has a branch that contains what kind of fibers?
Postganglionic parasympathetic fibers
32
What do the fibers from zygomaticotemporal nerve innervate?
Lacrimal gland
33
Posterior superior alveolar nerve innervation
Supplies maxillary molar teeth and mucosa of maxillary sinus
34
Middle superior alveolar nerve innervates what?
Supplies maxillary premolars and mucosa of maxillary sinus
35
Anterior superior alveolar nerve innervates...
Supplies maxillary incisors and canine teeth and mucosa of maxillary sinus
36
All of the alveolar nerves supply what?
Sensory fibers to the maxillary sinus
37
How many mL can maxillary sinus hold?
15mL
38
What does the maxillary artery enter the pterygopalatine fossa through?
The pterygomaxillary fissure | Coming laterally, entering medially
39
The branches of the maxillary artery follow...
The branches of V2 and the pterygopalatine ganglion
40
Branches of the pterygopalatine part of the maxillary artery
- posterior superior alveolar artery - infraorbital artery - descending palatine artery - pharyngeal artery - artery of the pterygoid canal - sphenopalatine artery
41
Posterior superior alveolar artery supplies...
Maxillary molar and premolars teeth | -mucosa of the maxillary sinus
42
Infraorbital artery gives what branches
- anterior superior alveolar artery | - terminal branches
43
Anterior superior alveolar artery supplies...
Maxillary incisor and canine teeth | -mucosa of maxillary sinus
44
Terminal branches of infraorbital artery supply...
Structures on the face
45
Descending palatine artery divides into what branches
Divides into greater and lesser palatine arteries to hard AND soft palate
46
Pharyngeal artery passes through what canal with a branch of what?
Passes through palatovaginal canal with a branch of the pterygopalatine ganglion
47
What does the pharyngeal artery supply?
Supplies mucosa of the nasopharynx and sphenoid sinus
48
Artery of the pterygoid canal supplies...
Walls and contents of the pterygoid canal - mucosa of the nasopharynx - auditory tube - tympanic cavity
49
What is another name for the sphenopalatine artery?
Pterygopalatine artery
50
What does the sphenopalatine artery enter the nasal canal through?
Sphenopalatine foramen
51
What are the branches of the sphenopalatine artery?
- posterolateral nasal branches | - posterior septal branches
52
Posterolateral nasal branches supply...
Supplies posterior part of lateral wall of nasal cavity
53
Posterior septal branches supply...
Supplies mucosa of the posterior part of the nasal septum

Anatomy Block 3 (13 decks)

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