Cranial Spaces

Question 1

Incisive Fossa

Answer 1

Nasopalatine N.

sphenopalatine vessels

Question 2

Greater Palatine foramen

Answer 2

Greater Palatine N.

Greater Palatine vessels

Question 3

Lesser Palatine Foramen

Answer 3

Lesser Palatine N

Lesser Palatine vessels

Question 4

Foramen ovale

Answer 4

Lesser Petrosal N
Mandibular N. (V3)
Accessory meningeal a.

Question 5

Foramen Lacerum

Answer 5

Greater Petrosal N.

Question 6

Foramen Spinosum

Answer 6

Middle meningeal vessels

Meningeal branch of mandibular N. (V3)

Question 7

Carotid Canal

Answer 7

Internal carotid a.

Carotid autonomic plexus

Question 8

Petrotympanic fissure

Answer 8

Chorda tympani of facial n. (VII)

Question 9

Tympanic canaliculus

Answer 9

Tympanic branch of glossopharyngeal n. (IX)

Question 10

Mastoid Canaliculus

Answer 10

Auricular branch of vagus n. (X)

Question 11

Stylomastoid Foramen

Answer 11

Facial n. (VII)

Question 12

Jugular fossa

Answer 12

Glossopharyngeal n (IX)
vagus n. (X)
Acessory nerve (XI)
Superior bulb
internal jugular vein

Question 13

Mastoid Foramen

Answer 13

Mastoid emissary v.

Posterior meningeal artery

Question 14

Hypoglossal canal

Answer 14

Hypoglossal n. (XII)

Question 15

Foramen Magnum

Answer 15

Medulla Oblongata
vertebral arteries and venous plexus
spinal roots of accessory nerves (XI)
Meninges
meningeal branches of vertebral arteries

Question 16

Foramen Cecum

Answer 16

emissary v. to superior sagittal sinus

Question 17

Nasal slit/ Anterior ethmoidal foramen

Answer 17

anterior ethmoidal artery vein and nerve

Question 18

Foramina of cribriform plate

Answer 18

Olfactory nerves

Question 19

Posterior ethmoidal foramen

Answer 19

posterior ethmoidal artery, vein, and nerve

Question 20

optic canal

Answer 20

optic nerve (II)
ophthalmic artery

Question 21

superior orbital fissure

Answer 21

oculomotor n (III)
trochlear n. (IV)
Lacrimal, frontal and nasociliary branches of ophthalmic n. (VI)
abducent n. (VI)
superior ophthalmic v.

Question 22

Foramen rotundum

Answer 22

Maxillary n. (V2)

Question 23

Hiatus for Lesser petrosal n.

Answer 23

lesser petrosal n

Question 24

Hiatus for greater petrosal n

Answer 24

greater petrosal n

Question 25

Internal acoustic meatus

Answer 25

facial n. (VII) Vestibulocochlear n. (VIII) Labyrinthine a.

Question 26

Opening of vestibular aqueduct

Answer 26

endolymphatic duct

Question 27

mastoid foramen

Answer 27

emissary v. | branch of occipital a.

Question 28

Jugular foramen

Answer 28

``` Inferior petrosal sinus glossopharyngeal n. (IX) Vagus n. (X) Accessory n. (XI) Sigmoid Sinus Posterior meningeal a. ```

Question 29

Condylar canal

Answer 29

Emissary v. | meningeal branch of ascending pharyngeal a.

Question 30

Hypoglossal canal

Answer 30

Hypoglossal n. (XII)