Foramina

Question 1

cribriform plate

Answer 1

ethmoid

CNI

Question 2

Foramen cecum

Answer 2

frontal bone

nasal emissary v.

Question 3

anterior ethmoidal foramen

Answer 3

frontoethmoidal suture

anterior ethmoidal a.v.n.

Question 4

posterior ethmoidal foramen

Answer 4

frontoethmoidal suture

posterior ethmoid a.v.n

Question 5

optic canal

Answer 5

sphenoid bone

CN II, ophthalmic a.

Question 6

superior orbital fissure

Answer 6

sphenoid
CN III, IV, V1, VI
Superior ophthalmic v.

Question 7

foramen rotundum

Answer 7

sphenoid

CNV2

Question 8

foramen ovale

Answer 8

sphenoid

CN V3, accessory meningeal a.

Question 9

foramen spinosum

Answer 9

sphenoid

middle meningeala. recurrent meningeal n. (V3)

Question 10

hiatus for greater petrosal n.

Answer 10

temporal bone

greater petrosal n. (CN VII, petrosal br. of middle meningeal a.

Question 11

hiatus for lesser petrosal

Answer 11

temporal

lesser petrosal n. (CN IX)

Question 12

internal acoustic meatus

Answer 12

temporal
CN VII and VIII
internal labyrinthine a.

Question 13

jugular foramen

Answer 13

petroccipital fissure
CN IX, X, XI, sigmoid sinus, inf petrosal sinus, int jugular, post meningeal br of occipital and ascending pharyngeal aa.

Question 14

mastoid foramen

Answer 14

temporal bone

mastoid emissary v.

Question 15

condyloid canal

Answer 15

occipital bone

condyloid emissary v.

Question 16

foramen magnum

Answer 16

occipital

spinal cord, roots of XI, vertebral aa. an and post spinal aa. dural v.

Question 17

hypoglossal canal

Answer 17

occipital 
CN XII (GSE), post meningeal br of ascending pharyngeal a.

Question 18

petrotympanic fissure

Answer 18

temporal

chorda tympani of CN VII

Question 19

stylomastoid foramen

Answer 19

temporal

SVE of CN VII

Question 20

carotid canal

Answer 20

temporal

internal carotid a. sympathetic plexus

Question 21

mastoid canaliculus

Answer 21

temporal

auricular br. of CN X

Question 22

foramen lacerum

Answer 22

sphenoid, temporal, occipital

meningeal br of ascending pharyngeal

Question 23

sphenomaxillary fissure

Answer 23

ant infratemporal fossa

3rd portion of maxillary a.

Question 24

pteygopalatine fossa

Answer 24

inside sphenomaxillary fissure

3rd portion of maxillary a. and pterygopalatine ganglion

Question 25

sphenopalatine foramen

Answer 25

deep to pterygopalatine fossa

sphenopalatine a. nasopalatine n. posti. sup. lat. nasal n.

Question 26

pterygoid canal

Answer 26

sphenoid

N. and a. of the pterygoid canal

Question 27

pharyngeal canal

Answer 27

sphenovomer suture

pharyngeal a. and n.

Question 28

greater palatine canal

Answer 28

palatine bone

greater palatine a. and n.

Question 29

lesser palatine canal

Answer 29

palatine bone

lesser palatine a. and n.

Question 30

supraorbital notch

Answer 30

frontal

supraorbital a.v.n

Question 31

infraorbital foramen

Answer 31

maxilla

infraorbital a.v.n

Question 32

anterior ethmoidal foramen

Answer 32

frontal ethmoid suture

ant. ethmoidial a.v.n

Question 33

posterior ethmoidal foramen

Answer 33

frontal ethmoid suture

post. ethmoidal avn

Question 34

nasolacrimal canal

Answer 34

maxilla

nasolacrimal duct

Question 35

inferior orbital fissure

Answer 35

maxillary fissure

infraorbital a and n., orbital and zygomatic nn. inf ophthalmic v.

Question 36

zygomaticofacial foramen

Answer 36

zygomatic

zygomaticofacial avn

Question 37

zygomaticotemporal foramen

Answer 37

zygomatic bone

zygomaticotemporal avn

Question 38

incisive canal

Answer 38

maxilla

nasopalatine n, greater palatine a.

Question 39

mandibular foramen

Answer 39

mandible

inf alveolar avn

Question 40

mental foramen

Answer 40

mandible

mental avn