9b. NV Structures Passing through Pterygopalatine Fossa

Question 1

What passes through inferior orbital fissure?

Answer 1

• infraorbital n.
• zygomatic n.
• orbital branches from CN V2
• infraobrital a.
• inferior ophthalmic v.

Question 2

What passes through foramen rotundum?

Answer 2

maxillary n.

Question 3

What passes through pterygoind canal?

Answer 3

nerve & artery of pterygoid canal (vidian n.)

Question 4

What passes through the greater palatine canal?

Answer 4

• greater palatine n.
• descending palatine a.
• greater palatine a.

Question 5

What passes through the lesser palatine canals?

Answer 5

lesser palatine nerve and artery

Question 6

What passes through the sphenopalatine foramen?

Answer 6

1. nerves (from nasopalatien n. CN V2)

• medial posterior superior nasal branch
• medial posterior inferior nasal branch
• lateral posterior superior nasal branch
• lateral posterior inferior nasal branch

[“medial and lateral posterior superior and inferior nasal branches”]

2. sphenopalatine artery and veins

Question 7

origin of structures passing through the inferior orbital fissure

Answer 7

orbit

Question 8

origin of structures passing through the foramen rotundum

Answer 8

middle cranial fossa

Question 9

origin of structures passing through the pterygoid canal

Answer 9

base of skull

Question 10

origin of structures passing through the greater palatine canal and the lesser palatine canal

Answer 10

palate

Question 11

origin of structures passing through the sphenopalatien foramen

Answer 11

nasal cavity