Skull Foramen

Question 1

what passes through the cribiform plate

Answer 1

CNI (olfactory)

Question 2

what passes through the optic canal

Answer 2

CNII, opthalmic artery

Question 3

what passes through the superior orbital fissure

Answer 3

CNIII (oculomotor), CNIV (trochlear), CNV1 (opthalmic branch), CNVI (abducens), opthalmic veins

Question 4

what passes through the foramen rotundum

Answer 4

CNV2 (maxillary branch)

Question 5

what passes through the foramen ovale

Answer 5

think ‘MALE’
CNV3 (Mandibular branch)
Accessory mengineal branch of maxillary artery
Lesser petrosal nerve
Emissary vein

Mandibular, Accessory, Lesser, Emissary (MALE)

Question 6

what passes through the foramen spinosum

Answer 6

middle meningeal artery, middle meningeal vein, meningeal branch of CNV3

Question 7

what passes through the foramen lacerum

Answer 7

pre-ganglionic parasympathetic fibres, post-ganglionic sympathetic fibres

Question 8

what passes through the carotid canal

Answer 8

internal carotid artery, carotid plexus

Question 9

what passes through the internal acoustic meatus

Answer 9

CNVII (facial), CNVIII (vestibulocochlear)

Question 10

what passes through the jugular foramen

Answer 10

CNIX (glossopharyngeal), CNX (vagus), CNXI (accessory)

Question 11

what passes through the hypoglossal canal

Answer 11

CNXII (hypoglossal)

Question 12

what passes through the foramina magnum

Answer 12

medulla, meninges, vertebral arteries, anterior spinal arteries, posterior spinal arteries, dural veins

Question 13

what passes through the caecum foramen

Answer 13

emissary veins

Question 14

what passes through the stylomastoid foramen

Answer 14

CNVII (facial)

Question 15

what is the pathway of the facial nerve

Answer 15

arises from the cerebellopontine angle

enters the internal acoustic meatus, passes through the facial canal and exits via the stylomastoid foramen.

it reaches the parotid gland and divides into 5: the temporal, zygomatic, buccal, marginal mandibular and cervical branches

Question 16

what foramen is this and what passes through here

Answer 16

foramen caecum
CNI

Question 17

what foramen is this and what passes through here

Answer 17

optic canal
CNII, opthalmic arteries

Question 18

what foramen is this and what passes through here

Answer 18

superior orbital fissure
CNIII, CNIV, CNV1, CNVI, opthalmic veins

Question 19

what foramen is this and what passes through here

Answer 19

foramen rotundum
CNV2

Question 20

what foramen is this and what passes through here

Answer 20

foramen ovale
CNV3, accessory meningeal branch of maxillary artery, lesser petrosal nerve, emissary vein

Question 21

what foramen is this and what passes through here

Answer 21

foramen spinosum
middle meningeal artery, middle meningeal vein, meningeal branch of CNV3

Question 22

what foramen is this and what passes through here

Answer 22

foramen lacerum
pre-ganglionic parasympathetic fibres, post-ganglionic sympathetic fibres

Question 23

what foramen is this and what passes through here

Answer 23

carotid canal
internal carotid artery, carotid plexus

Question 24

what foramen is this and what passes through here

Answer 24

internal acoustic meatus
CNVII, CNVIII

Question 25

what foramen is this and what passes through here

Answer 25

jugular foramen
CNIX, CNX, CNXI

Question 26

what foramen is this and what passes through here

Answer 26

hypoglossal canal
CNXII

Question 27

what foramen is this and what passes through here

Answer 27

foramen magnum
medulla, meninges, vertebral arteries, anterior and posterior spinal arteries, dural veins

Question 28

what foramen is this and what passes through here

Answer 28

stylomastoid foramen
CNVII