Brainscape's Knowledge GenomeTM

Browse over 1 million classes created by top students, professors, publishers, and experts.


See full index

Anatomy (III) JH > Pterygopalatine Fossa > Flashcards

Pterygopalatine Fossa Flashcards

1
Q

What is the pterygopalatine Fossa?

A

small space that is medial to the infratemporal fossa

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

What are the boundaries of the pterygopalatine Fossa?

A

Anterior- Posterior surface fo the maxilla
Posterior- Pterygoid process
Superior- Greater wing of the sphenoid
Medial- Perpendicular plate of the sphenoid

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

Which opening is on the lateral wall of the pterygopalatine fossa?

A

Pterygomaxillary fissure

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

Which opening is on the medial wall of the pterygopalatine fossa?

A

sphenopalatine foramen

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

Which opening is on the anterior wall of the pterygopalatine fossa?

A

inferior orbital fissure

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

Which opening is on the posterior wall of the pterygopalatine fossa?

A

pterygoid canal

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

Which opening is on the ceiling of the pterygopalatine fossa?

A

foramen rotundum

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

Does the pterygopalatine fossa has a floor?

A

No, 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
9
Q

Which nerve passes through the Pterygopalatine fossa and what ganglion hangs from it?

A

V2 passes through; the pterygopalatine ganglion hangs from it

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

What is the pterygopalatine ganglion?

A

It is a parasympathetic ganglion located in the pterygopalatine fossa

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

What types of fibers does the pterygopalatine ganglion receives?

A
  1. Sensory- from V2
  2. Preganglionic parasympathetic fibers- from the greater petrosal nerve
  3. Postganglionic sympathetic fibers -from the deep petrosal nerve
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

What nerves enter the Pterygopalatine ganglion?

A
  1. Greater Petrosal nerve

2. Nerve of the pterygoid

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

What is the greater petrosal nerve a branch of?

A

Branch of VII

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

What types of fiber does the greater petrosal nerve contain?

A

Preganglionic parasympathetic fibers

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

What nerve does the Greater Petrosal nerve join?

A

Deep petrosal nerve

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

What type of fibers does the Deep petrosal nerve carry?

A

Postganglionic sympathetic fibers from the superior cervical ganglion

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

What is formed when the greater petrosal nerve and the deep petrosal nerve are joined?

A

Pterygoid canal

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

Where does the nerve of the pterygoid canal terminate?

A

In the pterygopalatine ganglion

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

where do the preganglionic parasympathetic fibers of the nerve of the pterygoid canal synapse?

A

in the pterygopalatine ganglion

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

What happens when the postganglionic sympathetic fibers arrive at the pterygopalatine ganglion?

A

pass through

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

What are the branches of the pterygopalatine ganglion?

A
  1. Greater palatine nerve
  2. Lesser palatine nerve
  3. Nasopalatine nerve
  4. Posterolateral branches
  5. Pharyngeal nerve
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
22
Q

What does the Maxillary nerve (V2) exit the middle cranial fossa through?

A

Foramen rotundum

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
23
Q

What type of fibers are in the maxillary nerves?

A

Sensory only

24
Q

Where does the maxillary nerve go after it exits the cranial fossa?

A

it enters the pterygopalatine fossa and travels in the upper part of the fossa, it enters the orbit through the inferior orbital fissure and changes name to the infraorbital nerve

25
Q

What does the maxillary nerve become after it enters the inferior orbital fissure?

A

Infraorbital nerve- Runs through the floor of the orbit and emerges on the face

26
Q

What are branches of V2?

A
  1. Intracranial branch
  2. Ganglionic branches
  3. Zygomatic nerve
  4. Posterior superior alveolar nerve
  5. Middle superior alveolar nerve
  6. Anterior superior alveolar nerve
27
Q

What does the intracranial branch innervate?

A

Dura mater in the middle cranial fossa

28
Q

what does the ganglionic branch connect V2 to?

A

Pterygopalatine ganglion

29
Q

What type of fibers do the ganglionic branches have?

A

contains mostly sensory fibers plus a few postganglionic parasympathetic fibers

30
Q

What does the zygomatic nerve divide into?

A

Zygomaticotemporal and zygomaticofacial nerves

31
Q

What does the Zygomatic nerve supply?

A

Supply skin over temporal region and cheek

32
Q

Which branch of the zygomatic nerve contains postganglionic parasympathetic fibers destined for the lacrimal gland?

A

Zygomaticotemporal nerve

33
Q

What does the posterior superior alveolar nerve supply?

A

It supplies the maxillary molar teeth and mucosa of maxillary sinus

34
Q

What does the middle superior alveolar nerve?

A

supplies maxillary premolars and mucosa of maxillary sinus

35
Q

What does the Anterior superior alveolar nerve supplies?

A

supplies maxlilary incisors and canine teeth and mucosa of maxillary sinus

36
Q

What Three branches of V2 supply the Maxillary Sinus?

A
  1. Posterior superior alveolar nerve
  2. Middle superior alveolar nerve
  3. Anterior superior alveolar nerve
37
Q

What branch of V2 supplies the Maxillary molar teeth?

A

Posterior superior alveolar nerve

38
Q

What branch of V2 supplies the Maxillary premolar?

A

Middle superior alveolar nerve

39
Q

What branch of V2 supplies the Maxillary incisors?

A

Anterior superior alveolar nerve

40
Q

The maxillary artery leaves the infratemporal fossa and enters the pterygopalatine fossa through what?

A

Pterygomaxillary fissure (Comes lateral and travel medial to this fissure)

41
Q

What are the branches of the Pterygopalatine Part of the Maxillary Artery?

A
  1. Posterior superior alveolar artery
  2. Infraorbital artery
  3. Descending palatine artery
  4. Pharyngeal artery
  5. Artery of the Pterygoid canal
  6. Sphenopalatine Artery
42
Q

What does the Posterior superior alveolar artery supply?

A

Supplies the maxillary molar and premolar teeth and mucosa of the maxillary sinus

43
Q

Which nerve does the infraorbital artery accompany?

A

Infraorbital nerve

44
Q

What branches does the infraorbital artery give off after it emerges on the face?

A
  1. Anterior superior alveolar artery

2. Terminal branches

45
Q

What does the anterior superior alveolar artery of the infraorbital artery supply?

A

Supplies the maxillary incisors and canine teeth, and mucosa of maxillary sinus

46
Q

What do the terminal branches of the infraorbital artery supply?

A

Supply structures on the face

47
Q

What does the Descending palatine artery divide into?

A

Greater and lesser palatine arteries to hard and soft palate

48
Q

Which canal does the Pharyngeal artery pass through with a branch of the pterygopalatine ganglion?

A

Palatovaginal canal

49
Q

what does the pharyngeal artery supply?

A

supplies the mucosa of the nasopharynx and sphenoid sinus

50
Q

what branch of the infraorbital artery Supplies the maxillary incisors and canine teeth?

A

Anterior superior alveolar artery

51
Q

What branch of the Pterygopalatine part of the maxillary artery supplies the maxillary molar and premolar teeth?

A

Posterior superior alveolar artery

52
Q

What branch of the pterygopalatine part of the maxillary artery supplies the walls and contents of the pterygoid canal and mucosa of the nasopharynx, auditory tube, and tympanic cavity?

A

Artery of the pterygoid canal

53
Q

The sphenopalatine artery enters the nasal cavity through what foramen?

A

Sphenopalatine foramen

54
Q

What branches does the sphenopalatine artery give off when it enters the nasal cavity?

A
  1. Posterolateral nasal branches

2. Posterior septal branches

55
Q

What branch of the sphenopalatine artery supplies the posterior part of lateral wall of nasal cavity?

A

Posterolateral nasal branches

56
Q

What branch of the sphenopalatine artery supplies the mucosa of the posterior part of the nasal septum?

A

Posterior septal branches

57
Q

What is another name for the sphenopalatine artery?

A

Pterygopalatine artery

Anatomy (III) JH (3 decks)

Brainscape helps you reach your goals faster, through stronger study habits.
© 2024 Bold Learning Solutions. Terms and Conditions