Foramina

Question 1

cribriform plate

Answer 1

ethmoid

CNI

Question 2

foramen cecum

Answer 2

Frontal

nasal emissary vein

Question 3

anterior ethmoidal foramen

Answer 3

frontoehtmoidal suture

anterior ethmoidal avn

Question 4

posterior ethmoidal foramen

Answer 4

frontoethmoidal suture

posterior ethmoidal avn

Question 5

optic canal

Answer 5

sphenoid (chiasmatic groove)

CNII ophtamic a

Question 6

superior orbital fissure

Answer 6

sphenoid

CNIII, IV, V(1), VI and superior ophthalmic v

Question 7

Foramen rotundum

Answer 7

sphenoid

CNV(2)

Question 8

Foramen ovale

Answer 8

sphenoid

CNV(3) accessory meningeal a

Question 9

foramen spinosum

Answer 9

sphenoid

mma, recurrent meningeal n (V3)

Question 10

hiatus for greater petrosal n

Answer 10

temporal (petrous)

greater pterosal n (CNVII, petrosal br of mma

Question 11

Hiatus for lesser petrosal n

Answer 11

Temporal (petrous, lat. to hiatus for greater petrosal n)

letter petrosal n (CNIX)

Question 12

internal acoustic meatus

Answer 12

temporal (petrous)

CNVII and VIII, internal labryrinthine a

Question 13

jugular forament

Answer 13

petrooccipital fissure
CNIX, X and XI, sigmoid sinus, inf petrosal sinus, internal jugular v, post meningeal branches of occipital ascending pharyngeal aa

Question 14

Mastoid foramen

Answer 14

Temporal (masoid)

mastoid emissary V

Question 15

condyloid canal

Answer 15

Occipital (lateral to foramen magnum)

condyloid emissary v

Question 16

foramen magnum

Answer 16

occipital

spinal cord, spinal roots of CNXI, vertebral aa, ant and pst spinal aa, dural vv

Question 17

hypoglossal canal

Answer 17

occipital

CNXII (GSE) post meningeal branch of ascending pharyngeal a

Question 18

Petrotympanic fissure

Answer 18

Temporal (med to mand fossa)

chorad tympani of CNVII

Question 19

stylomastoid foramen

Answer 19

temporal (mastod post to styloid process)

SVE of CNVII

Question 20

carotid canal

Answer 20

Temporal

internal carotid a, sympathetic plexus

Question 21

mastoid canaliculus

Answer 21

temporal (inside jugular foramen lateral)

auricular branch of CNX

Question 22

tympanic canaliculus

Answer 22

temporal (crest between jugular for and carotid canal

Tympanic branch of CNIX

Question 23

foramen lacerum

Answer 23

Sphenoid, temporal, and occipital

meningeal brand of ascending pharyngeal a

Question 24

sphenomaxillary fissure

Answer 24

ant infratemporal fossa

3rd portion maxillary a

Question 25

pterygopalatine fossa

Answer 25

inside sphenomaxillary fissure | 3rd portion maxillary a and pterygopalatine ganglion

Question 26

spenopalatine foramen

Answer 26

deep to pterygopalatine fossa (med wall) | sphenopalatine a, nasopalatine n, post sup lat nasal n

Question 27

pterygoid canal

Answer 27

sphenoid (ant wall of foramen lacerum) | Nerve and artery of the pterygoid canal

Question 28

pharyngeal canal

Answer 28

sphenovomer suture | pharyngeal a and n

Question 29

greater palatine canal

Answer 29

palatine bone | greater palatine a and n

Question 30

lesser palatine canal

Answer 30

palatine bone | lesser palatine a and n

Question 31

supraorbital notch

Answer 31

frontal | supraorbital a v n

Question 32

infraorbital foramen

Answer 32

maxilla | infraorbital a v n

Question 33

anterior ethmoidal foramen

Answer 33

frontal ethmoidal suture | ant ethmoidal a v n

Question 34

posterior ethmoidal foramen

Answer 34

frontal ethmoidal suture | post ethmoidal a v n

Question 35

nasolacrimal canal

Answer 35

maxilla | nasolacrimal duct

Question 36

superior orbital fissure

Answer 36

sphenoid | CNIII, IV, V(1), VI, sup opthal v

Question 37

inferior orbital fissure

Answer 37

upper extent of sp max fis | infraorbital a and n, orbital and zygomatic nerves, inferior ophthalmic v

Question 38

zygomaticofacial foramen

Answer 38

zygomatic | zygomaticofacial a v n

Question 39

zygomaticotemporal foramen

Answer 39

zygomatic | zygomaticotemporal a v n

Question 40

incisive canal

Answer 40

maxilla | nasopalatine n, greater palatine a

Question 41

mandibular foramen

Answer 41

mandible | inferior alveolar a v n

Question 42

mental foramen

Answer 42

mandible | mental a v n