CN routes, bony landmarks of skull

Question 1

What nerve(s) run through the hypoglossal canal?

Answer 1

CN XII - hypoglossal nerve

Question 2

What nerve(s) run through the tympano-occipital fissure and the jugular foramen?

Answer 2

CN IX, X, XI - glossopharyngeal, vagus, accessory

Question 3

What nerve(s) run through the internal acoustic meatus?

Answer 3

CN VII, VIII - facial and vestibulocochlear

Question 4

What nerve(s) run through the stylomastoid foramen?

Answer 4

CN VII - facial

Question 5

What structure runs through the retroarticular foramen?

Answer 5

retroarticular vein

Question 6

Where is the orbital fissure located?

Answer 6

Between presphenoid and basisphenoid bones

Question 7

What nerve(s) run through the orbital fissure?

Answer 7

CN III, IV, VI, V1 - oculomotor, trochlear, abducens, and ophthalmic

Question 8

What nerve(s) run through the round foramen?

Answer 8

CN V2 - maxillary

Question 9

What nerve(s) run through the oval foramen?

Answer 9

CN V3 - mandibular

Question 10

What nerve(s) run through the optic canal?

Answer 10

CN II - optic

Question 11

What nerve enters the maxillary foramen?

Answer 11

CN V2 - maxillary

Question 12

What nerve exits the infraorbital foramen?

Answer 12

branches of CN V2 - maxillary

Question 13

What nerve enters the mandibular foramen?

Answer 13

Branch of CN V3 - mandibular