Foramina and the structures which traverse them

Question 1

Optic Canal

Answer 1

Optic nerve and ophthalmic artery

Question 2

Superior orbital fissure

Answer 2

CN 3 - 4 - 5 V1 - 6, ophthalmic veins, sympathetic nerves

Question 3

Carotid Canal

Answer 3

Internal carotid artery, postganglionic sympathetic fibers

Question 4

Foramen rotundum

Answer 4

CN 5 V2

Question 5

Foramen ovale

Answer 5

CN 5 V3, accessory meningeal artery

Question 6

Foramen spinosum

Answer 6

Middle meningeal artery

Question 7

Internal acoustic meatus

Answer 7

CN 6 - 7, labyrinthine artery

Question 8

Jugular foramen

Answer 8

Sigmoid sinus, CN 9 - 10 - 11

Question 9

Foramen magnum

Answer 9

Spinal cord, vertebral arteries, anterior and posterior spinal arteries, spinal origin of CN 11

Question 10

Which structures are found in or in the wall of the cavernous sinus?

Answer 10

The internal carotid artery and the abducens nerve are located in the sinus, while the CN III, IV, V1 and V2 are located in the lateral wall of the sinus.