Pterygopalatine Fossa

Question 1

What opening is found on the lateral aspect of the pterygopalatine fossa?

Answer 1

Pterygomaxillary fissure

Question 2

What opening is found on the medial aspect of the pterygopalatine fossa?

Answer 2

Sphenopalatine foramen

Question 3

The inferior orbital fissure is found in this area of the pterygopalatine fossa

Answer 3

Anterosuperior

Question 4

What openings are found on the posterior aspect of the pterygopalatine fossa?

Answer 4

Foramen rotundum
Pterygoid canal
Pharyngeal canal

Question 5

Which opening is the most superior on the posterior aspect of the pterygo palatine fossa?

Answer 5

Foramen rotundum

Question 6

The palatine canal is found in this area of the pterygopalatine fossa

Answer 6

Inferior

Question 7

What are the branches of the pterygopalatine portion of the maxillary artery?

Answer 7

Artery of the pterygoid canal
Pharyngeal artery
Sphenopalatine a.
Infra-orbital a.
Posterior Superior a.
Descending palatine a

Question 8

What is transmitted through the pterygomaxillary fissure?

Answer 8

Posterior superior n.

Maxillary a.

Question 9

What is transmitted through the sphenopalatine foramen?

Answer 9

Sphenopalatine a.

Posterior lateral nasal n.

Question 10

What is transmitted through the foramen rotundum?

Answer 10

CN V2

Question 11

What is transmitted through the inferior orbital fissure?

Answer 11

Infraorbital n. and a.

Zygomatic n.

Question 12

The infraorbital continues through this foramen to the face

Answer 12

Infraorbital foramen

Question 13

The zygomatic nerve sends to branches to where

Answer 13

Face

Question 14

What are the two branches of the zygomatic n.?

Answer 14

Zygomaticotemporal n.

Zygomaticofacial n.

Question 15

The pterygoid canal connects these two foramen

Answer 15

Foramen lacerum

Sphenopalatine foramen

Question 16

What is transmitted through the pterygoid canal?

Answer 16

Artery and Nerve to the pterygoid canal

Question 17

What are the two branches of the nerve to pterygoid canal?

Answer 17

Deep petrosal

Greater petrosal

Question 18

Where is the pharyngeal canal located?

Answer 18

Superior/lateral to alae of vomer bone

Question 19

What does the pharyngeal canal transmit?

Answer 19

Pharyngeal n. and a.

Question 20

Where is the palatine canal located?

Answer 20

Just lateral to the perpendicualr plate of the vomer, vertically

Question 21

What does the palatine canal transmit?

Answer 21

Greater and Lesser palatine nn.

Descending palatine a.

Question 22

What are the two branches of the descending palatine a.?

Answer 22

Greater and lesser palatine aa.

Question 23

The pterygopalatine fossa is a hub for nerves and arteries that serve this area

Answer 23

Middle face

Question 24

The pterygopalatine ganglion is attaches to this branch of CN V

Answer 24

Maxillary

Question 25

What nerve does the pterygoipalatine ganglion receive?

Answer 25

Nerve to pterygoid canal

Question 26

Only these type of nerve fibers synapse at the pterygopalatine ganglion

Answer 26

Para-sympathetic

Question 27

What does the nerve to the pterygoid canal supply?

Answer 27

Lacrimal gland

Nasal and palatal glands

Question 28

The nerve to pterygoid canal gets post gangionic sympathetic fibers from here

Answer 28

Deep petrosal n.

Question 29

Where does the nerve to pterygoid canal get its preganglionic parasympathetic fibers from?

Answer 29

Greater pertosal n.