FINAL NEUROVASCULAR Pathways for Cranial Cavity

Question 1

Cribriform plate

Answer 1

olfactory n.

anterior and posterior ethmoidal aa.

Question 2

optic cancal

Answer 2

optic n.

ophthalmic a.

Question 3

superior orbital fissure

Answer 3

1. superior ophthalmic v.
2. lacrinal n.
3. frontal n.
4. trochlear n.
5. oculomotor n.
6. abducent n.
7. nasociliary n

Question 4

foramen rotundum

Answer 4

maxillary n (CN v2)

Question 5

Foramen ovale

Answer 5

mandibular n (CN v3)
lesser petrosal n

Question 6

carotid canal

Answer 6

internal carotid a.

internal carotid sympathetic plexus

Question 7

foramen spinosum

Answer 7

middle meningeal a

meningeal br. of mandibular n (CN v3)

Question 8

hiatus of canal for lesser petrosal n.

Answer 8

lesser petrosal n

superior tympanic a.

Question 9

hiatus of canal for greater petrosal n

Answer 9

greater petrosal n

Question 10

internal acoustic meatus (IAM)

Answer 10

labryinthine a and v

1. vestibulocochlear n VIII
2. facial n.

Question 11

jugular foramen

Answer 11

1. internal jugular v.
2. glossopharyngeal n
3. vagus n.
4. accessory n.
5. inferior petrosal sinuses
6. posterior meningeal a.

Question 12

foramen magnum

Answer 12

1. spinal v.
2. anterior spinal a.
3. posterior spinal a.
4. spinal cord
5. accessory n.
6. vertebral a.

Question 13

condylar canal

Answer 13

condylar emissary v.

Question 14

hypoglossal canal

Answer 14

hypoglassal n.

venous plexus of hypoglassal canal

Question 15

mastoid foramen

Answer 15

emissary v.

Question 16

jugular foramen

Answer 16

1. internal jugular v.
2. glossopharyngeal n.
3. vagus n.
4. accessory n.
5. inferio rpetrosal sinus
6. posterior meningeal a.

Question 17

stylomastoid foramen

Answer 17

facial n.

stylomastoid a.

Question 18

petrotympanic fissure

Answer 18

anterior tympanic a.,

chorda tympani

Question 19

carotid canal

Answer 19

internal carotid a.,

internal carotid sympathetic plexus

Question 20

foramen spinosum

Answer 20

middle meningeal a.,

meningeal br of mandibular n (v3)

Question 21

Foramen lacerum

Answer 21

cartilage
deep petrosal n.
greater petrosal n.

Question 22

lesser palatine foramina

Answer 22

lesser palatine n. and a.

Question 23

greater palatine foramina

Answer 23

greater palatine n. and a.

Question 24

incisive canal

Answer 24

nasopalatine n.

nasopalatine a.