Foramina and What they transmit

Question 1

cribiform plate

Answer 1

ethmoid and CN1

Question 2

anterior ethmoidal foramen

Answer 2

frontoethmoidal suture and anterior ethmoidal artery vein and nerve

Question 3

posterior ethmoidal foramen

Answer 3

frontoethmoidal suture and posterior ethmoidal artery vein nerve

Question 4

optic canal

Answer 4

sphenoid

CN II, opthalmic artery

Question 5

superior orbital fissue

Answer 5

sphenoid

CN 3,4,5,6, and superior opthalmic vein

Question 6

foramen rotundum

Answer 6

sphenoid

CN V2

Question 7

foramen ovale

Answer 7

spehoid

CN V3 acessory meningeal artery

Question 8

foramen spinosum

Answer 8

sphenoid

middle meningeal artery, recurrent meningeal nerve (V3)

Question 9

foramen lacerum

Answer 9

sphenoid, temporal occpital

meningeal br, of ascending pharyngeal artery

Question 10

hiatus for greater petrosal nerve

Answer 10

temporal( petrous)

greater petrosal nerve, (CN 7) petrossal br of middle meningeal artery

Question 11

hiatus for lesser petrosal nerve

Answer 11

temporal (petrous, lateral to hiatus for greater petrous nerve)
lesser petrosal nerve (CN 9)

Question 12

internal acoustic meatus

Answer 12

temporal
CN (7 and9) and internal labryrinthine artery

Question 13

jugular foramen

Answer 13

petrooccipital fissue
CN 9.10 and 11, sigmoid sinus, inferior, petrosal sinus, posterior meningeal brs. of occpital and ascending pharyngeal aa

Question 14

foramen magnum

Answer 14

occpital

spinal cord, spinal roots of CN 11 and vertebral aa

Question 15

hypoglossal canal

Answer 15

occipital

anterior and posterior spinal aa, dural vv, CN 11, post. menigeal branch of ascendin pharyngeal artery

Question 16

petrotympanic fissure

Answer 16

temporal (medial to mandibular fossa)

chorda tympani of CN vii

Question 17

stylomastoid formane

Answer 17

temporal (mastoid post to styloid process)

SVE of CN vii

Question 18

carotid canal

Answer 18

temporal

internal carotid artery and sympathetic plexus

Question 19

tympanic canaliculus

Answer 19

temporal (crest between jugular foramen and carotid canal)

tympanic branch of CN IX

Question 20

mastoid canaliculus

Answer 20

ttemporal (inside jugular foramen laterally)

auricular br of CN 10

Question 21

sphenoidmaxillary fissue

Answer 21

ant, infratemporal fossa

3rd portion of maxillary artery

Question 22

pterygopalatine fossa

Answer 22

inside sphenomaxillary fissure

3rd portion of maxillary artery and ptergyopalatine ganglion

Question 23

sphenopalatine foramen

Answer 23

deep to pterygopalatine fossa, sphenopalatine artery, nasopalatine nerve, posterior superior lateral nasal nerve

Question 24

pterygoid canal

Answer 24

sphenoid

nerve and artery of the pterygoid canal

Question 25

greater palatine canal

Answer 25

palatine bone

greater palatine artery and nerve

Question 26

lesser palatine canal

Answer 26

palatine bone

lesser palatine artery and nerve

Question 27

supraorbital notch

Answer 27

frontal

supraorbital artery vein nerve

Question 28

infraorbital foramen

Answer 28

maxilla

infraorbital avn

Question 29

anterior ethmoidal foramen

Answer 29

frontal ethmooidal suture

ant. ethmoidal avn

Question 30

posterior ethmoidal foramen

Answer 30

frontal ethmoidal suture

pposterior ethmoidal avn

Question 31

nasolacrimal canal

Answer 31

maxilla

nasolacrimal duct

Question 32

inferior orbital fissure

Answer 32

upper exten of sp, max fissue

infraorbital n, orbital and zygomatic nerve, inferior opthalmic v

Question 33

zygomaticofacial foramen

Answer 33

zygomatic

xygomatico favial avn

Question 34

incisibe canal

Answer 34

maxilla

nasopalatine , and greater palatine a

Question 35

mandibular formane

Answer 35

mandible

inferior alveolar a and n

Question 36

mental foramen

Answer 36

mandible

mental artery