Unit 4 - Head and Neck: Holes of the Skull (Ex. III)

Question 1

optic canal

Answer 1

optic n.

opthalmic a.

Question 2

S orbital fissure

Answer 2

S ophthalmic v.
lacrimal n.
frontal n.
trochlear n.
abducens n.
oculomotor n.
nasociliary n.
V1 (ophthalmic n.) (trigeminal n., CN V)

Question 3

foramen rotundum

Answer 3

maxillary n. (CN V2)

Question 4

foramen ovale

Answer 4

mandibular n. (CN V3)

lesser petrosal n.

Question 5

carotid canal

Answer 5

internal carotid a.

internal carotid SYMP plexus

Question 6

foramen spinosum

Answer 6

middle meningeal a.

meningeal branch of mandibular n. (CN V3)

Question 7

hiatus of canal for lesser petrosal n.

Answer 7

lesser petrosal n.

S tympanic a.

Question 8

hiatus of canal for greater petrosal n.

Answer 8

greater petrosal n.

Question 9

internal acoustic meatus

Answer 9

labyrinthine a. and v.
vestibulocochlear n.
facial n.

Question 10

jugular foramen

Answer 10

IJV
glossopharyngeal n.
vagus n.
accessory n.
I petrosal sinus
P meningeal a.

Question 11

foramen magnum

Answer 11

spinal v.
A and P spinal aa.
spinal cord
accessory n.
vertebral a. (and basilar a.?)

Question 12

condylar canal

Answer 12

condylar emissary v.

Question 13

hypoglossal canal

Answer 13

hypoglossal n.

venous plexus of hypoglossal canal

Question 14

mastoid foramen

Answer 14

emissary v.

Question 15

stylomastoid foramen

Answer 15

facial n.

stylomastoid a.

Question 16

petrotympanic fissure

Answer 16

A tympanic a.

chorda tympani

Question 17

foramen spinosum

Answer 17

middle meningeal a.

meningeal branch of mandibular n. (CN V3)

Question 18

foramen lacerum

Answer 18

deep petrosal n.

greater petrosal n.

Question 19

lesser palatine foramina

Answer 19

lesser palatine n. and a.

Question 20

greater palatine foramen

Answer 20

greater palatine n. and a.

Question 21

incisive canal

Answer 21

nasopalatine n. and a.

Question 22

cribriform plate

Answer 22

olfactory n.

A and P ethmoidal aa.