Cranial Foramen

Question 1

Foramen Cecum

Answer 1

Vein to sup. sagittal sinus

Question 2

Ant. ethmoidal foramen

Answer 2

Ant. ethmoidal VAN

Question 3

Cribriform plate

Answer 3

CN I (olfactory n)

Question 4

Post. ethmoidal foramen

Answer 4

Post. ethmoidal VAN

Question 5

Optic canal

Answer 5

CN II (optic n)
Opthalmic a.

Question 6

Sup. orbital fissure

Answer 6

CN III (oculomotor n.)
CN IV (trochlear n.)
v1 of CN V (opthalmic div of tigeminal n.) 
CN V1 (abducens n.)
Sup. ophthalmic v.

Question 7

Foramen rotundum

Answer 7

v2 of CN V (maxillary div of trigeminal n.)

Question 8

Foramen ovale

Answer 8

v3 of CN V (mandibular div of trigeminal n)
Accessory meningeal a.
Lesser petrosal n.

Question 9

Foramen spinosum

Answer 9

Meningeal branch of mandibular (v3)

Middle meningeal A, V

Question 10

Foramen lacerum

Answer 10

Int. carotid a.

Int. carotid symp. n. plexus

Question 11

Hiatus canal of…

Answer 11

lesser petrosal n. (CN IX)

Question 12

Hiatus canal of

Answer 12

Greater petrosal n. (CN VII)

Question 13

Int. acoustic meatus

Answer 13

CN VII (facial n.)
CN VIII (vestibulocochlear n.)

Question 14

Jugular foramen

Answer 14

CN IX
CN X
CN XI
Inf. petrosal sinus
Sigmoid sinus
Post. meningeal a.

Question 15

Foramen magnum

Answer 15

Spinal roots of CN XI
Ant. spinal a. 
Vertebral aa. 
Medulla oblongata
Spinal v. 
Post.  spinal a.

Question 16

Hypoglossal canal

Answer 16

CN XII (hypoglossal n.)

Question 17

Incisive canal (INFERIOR SKULL)

Answer 17

Sphenopalatine a.

Nasopalatine n.

Question 18

Carotid canal (INFERIOR SKULL)

Answer 18

carotid a.

Question 19

Stylomastoid foramen (INFERIOR SKULL)

Answer 19

CN VII

Question 20

Mastoid foramen (INFERIOR SKULL)

Answer 20

emmissary v.