foramina of the skull

Question 1

hypoglossal canal

Answer 1

hypoglossal n (CN12)

Question 2

foramen cecum bone

Answer 2

frontal/ethmoid

Question 3

mental foramen

Answer 3

mental n and vessels

Question 4

incisive foramen bone

Answer 4

maxilla

Question 5

posterior superior alveolar foramina bone

Answer 5

maxilla

Question 6

jugular foramen bone

Answer 6

occipital/temporal

Question 7

zygomaticotemporal foramen

Answer 7

zygomaticotemporal n and vessels

Question 8

lesser palatine foramen bone

Answer 8

palatine

Question 9

internal acoustic meatus bone

Answer 9

temporal

Question 10

supraorbital foramen

Answer 10

supraorbital n and vessels

Question 11

optic foramen and canal

Answer 11

• optic n (CN2)

- opthalmic a

Question 12

jugular foramen

Answer 12

• glossopharyngeal n (CN9)
• vagus n (CN10)
• accessory n (CN11)
• internal jugular vein

Question 13

condylar canal

Answer 13

emissary v

Question 14

mental foramen bone

Answer 14

mandible

Question 15

mandibular foramen bone

Answer 15

mandible

Question 16

posterior superior alveolar foramina

Answer 16

posterior superior alveolar n and vessels

Question 17

lesser palatine foramen

Answer 17

lesser palatine n and vessels

Question 18

stylomastoid foramen bone

Answer 18

temporal

Question 19

greater palatine foramen bone

Answer 19

palatine

Question 20

cribriform foramina (plate)

Answer 20

• olfactory n (CN1)

- posterior ethmoidal a

Question 21

foramen lacerum bone

Answer 21

sphenoid/temporal/occipital

Question 22

inferior orbital fissure

Answer 22

• infraorbital n and vessels
• zygomatic n
• orbital branches
• inferior ophthalmic v

Question 23

hypoglossal canal bone

Answer 23

occipital

Question 24

foramen lacerum

Answer 24

• inferior aspect is filled with cartilage

- superior aspect: internal carotid a; sympathetic nerve plexus

Question 25

pterygoid canal bone

Answer 25

sphenoid

Question 26

zygomaticofacial foramen bone

Answer 26

zygomatic

Question 27

petrotympanic fissure bone

Answer 27

temporal

Question 28

greater palatine foramen

Answer 28

greater palatine n and vessels

Question 29

superior orbital fissure bone

Answer 29

sphenoid

Question 30

pterygoid canal

Answer 30

nerve and vessels of the pterygoid canal

Question 31

foramen ovale bone

Answer 31

sphenoid

Question 32

incisive foramen

Answer 32

nasopalatine n and vessels

Question 33

cribriform foramina (plate) bone

Answer 33

ethmoid

Question 34

foramen ovale

Answer 34

• mandibular n (CNV-3)
• lesser petrosal n
• accessory meningeal a

Question 35

optic foramen and canal bone

Answer 35

sphenoid

Question 36

petrotympanic fissure

Answer 36

• chorda tympani n

- anterior tympanic a

Question 37

carotid canal bone

Answer 37

temporal

Question 38

foramen rotundum

Answer 38

maxillary n (CNV-2)

Question 39

internal acoustic meatus

Answer 39

• vestibulocochlear n (CN8)
• facial n (CN7)
• labyrinthine vessels

Question 40

supraorbital foramen location

Answer 40

frontal

Question 41

inferior orbital fissure bone

Answer 41

sphenoid/maxilla

Question 42

foramen spinosum

Answer 42

• middle meningeal a

- meningeal n

Question 43

zygomaticotemporal foramen bone

Answer 43

zygomatic

Question 44

foramen spinosum bone

Answer 44

sphenoid

Question 45

mandibular foramen

Answer 45

inferior alveolar n and vessels

Question 46

stylomastoid foramen

Answer 46

facial n (CN7)

Question 47

foramen cecum

Answer 47

a blind opening, transmits emissay v from nasal cavity in fetal life

Question 48

carotid canal

Answer 48

• internal carotid a

- sympathetic nerve plexus

Question 49

zygomaticofacial foramen

Answer 49

zygomaticofacial n and vessels

Question 50

condylar canal bone

Answer 50

occipital

Question 51

foramen rotundum bone

Answer 51

sphenoid

Question 52

superior orbital fissure

Answer 52

• oculomotor n (CN3)
• trochlear n (CN4)
• lacrimal n, frontal n, and nasociliary n CNV-1)
• abducent n (CN6)
• superior ophthalmic v