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Flashcards in Pterygopalatine Fossa Deck (72)
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1

What is the pterygopalatine fossa

Small space that is medial to the infratemporal fossa

2

Anterior border of the pterygopalatine fossa

Posterior surface of the maxilla

3

Posterior boundary of the pterygopalatine fossa

Pterygoid process

4

Superior border of the boundary of the pterygopalatine fossa

Greater wing of sphenoid

5

Medial border of the pterygopalatine fossa

Perpendicular plate of the palatine bone

6

Lateral wall of the pterygopalatine fossa

Pterygomaxillary fissure

7

Medial wall of the pterygopalatine fossa

Sphenopalatine foramen

8

Anterior wall of the pterygopalatine fossa

Inferior orbital fissure

9

Posterior wall of the pterygopalatine fossa

Pterygoid canal

10

Ceiling of the pterygopalatine fossa

Foramen rotundum

11

Floor of the pterygopalatine fossa

No floor, just a passage to the greater and lesser palatine canals

12

What nerve passes through the pterygopalatine fossa

V2 maxillary nerve of trigeminal

13

The _____nerve passes through the pterygopalatine fossa and the _____hangs from that nerve.

V2 maxillary
Pterygopalatine

14

What kind of ganglion is the pterygopalatine ganglion?

Parasympathetic ganglion

15

What kind of fibers does the pterygopalatine ganglion receive

-Sensory- from V2
Preganglionic
-parasympathetic fibers-from the greater petrosal nerve
-postganglionic sympathetic fibers-from the deep petrosal nerve

16

Where do the sensory fibers that go to the pterygopalatine ganglion come from?

V2 maxillary from trigeminal

17

Where do preganglionic parasympathetic fibers come from?

From the greater petrosal nerve

18

Where do the postganglionic sympathetic fibers to the pterygopalatine ganglion come from?

From the deep petrosal nerve

19

What is the greater petrosal nerve a branch of?

Facial VII

20

What kind of nerves are contained in the greater petrosal nerve?

Preganglionic parasympathetic fibers

21

The greater petrosal nerve joins the ______ to form the ________

-deep petrosal nerve
-the nerve of the pterygoid canal

22

Fibers of the deep petrosal nerve

Postganglionic sympathetic from the superior cervical ganglion

23

Greater petrosal nerve plus the deep petrosal nerve =

Pterygoid canal

24

What kind of fibers go through the pterygoid canal?

Autonomic

25

Where does the nerve of the pterygoid canal terminate

In the pterygopalatine ganglion

26

What synapses in the pterygopalatine ganglion?

Preganglionic parasympathetic

27

What kind of fibers just pass on through the pterygopalatine ganglion?

Postganglionic sympathetic fibers

28

Parasympathetic ganglion

-ciliary
-otic
-submandibular
-pterygopalatine

29

What are the branches of the pterygopalatine ganglion

-greater palatine nerve
- lesser palatine nerve
-nasopalatine nerve
-posterolateral branches
-pharyngeal nerve

30

Where does the maxillary nerve (V2) exit?

The middle cranial fossa through the foramen rotundum