Bony Landmarks Functions

Question 1

mental foramen

Answer 1

mental nerve, artery, vein

Question 2

submandibular fossa

Answer 2

houses submandibular gland

Question 3

sublingual fossa

Answer 3

houses sublingual gland

Question 4

mylohyoid groove

Answer 4

mylohyoid n.

Question 5

mandibular (sigmoid) notch

Answer 5

transmits nerve and artery to the masseter m.

Question 6

superior sagittal sulcus

Answer 6

houses superior sagittal sinus

Question 7

sulcus for transverse sinus

Answer 7

houses transverse sinus

Question 8

sulcus for the sigmoid sinus

Answer 8

houses sigmoid sinus

Question 9

foramen magnum

Answer 9

spinal cord, vertebral artery and vein, accessory n. (CNXI)

Question 10

hypoglossal canal

Answer 10

transmits hypoglossal n.

Question 11

jugular notch & foramen

Answer 11

internal jugular v.
glossopharyngeal n. (CN IX),
vagus n. (CNX),
accessory n. (XI)

Question 12

sulcus chiasmatis

Answer 12

houses the optic chiasm

Question 13

optic canal

Answer 13

optic n. and opthalmic a.

Question 14

carotid groove

Answer 14

internal carotid a. & carotid n.

Question 15

foramen rotundum

Answer 15

maxillary n.

Question 16

foramen ovale

Answer 16

mandibular n.& accessory meningeal a.

Question 17

foramen spinosum

Answer 17

middle meningeal a. & menigeal branch of the mandibular n.

Question 18

superior orbital fissure

Answer 18

opthalmic n.
oculomotor n. 
trochlear n. 
abducens n.
opthalmic v.

Question 19

pterygoid canal

Answer 19

n. of the pterygoid canal

Question 20

petrotympanic fissure

Answer 20

chorda tympani n.

Question 21

occipital groove

Answer 21

occipital a.

Question 22

trigeminal impression

Answer 22

trigeminal ganglion

Question 23

internal auditory meatus

Answer 23

facial n., vestibulocochlear n.

Question 24

carotid canal

Answer 24

internal carotid a., carotid n.

Question 25

jugular fossa

Answer 25

internal jugular v. glossopharyngeal n. vagus n. accessory n.

Question 26

canaliculus for the tympanic n.

Answer 26

tympanic n.

Question 27

groove for superior petrosal sinus

Answer 27

superior petrosal sinus

Question 28

stylomastoid foramen

Answer 28

facial n.

Question 29

grooves for middle meningeal artery

Answer 29

middle meningeal artery

Question 30

supraorbital notch/foramen

Answer 30

supraorbital n., a., v.

Question 31

anterior ethmoidal foramen

Answer 31

anterior ethmoidal n., a., v.

Question 32

posterior ethmoidal foramen

Answer 32

posterior ethmoidal n., a., v.

Question 33

olfactory foramina

Answer 33

olfactory n.

Question 34

infraorbital foramen

Answer 34

infraorbital n.,a., v.

Question 35

alveolar canals

Answer 35

superior alveolar n., a., v.

Question 36

greater palatine canal

Answer 36

greater palatine n., a., v.,

Question 37

nasolacrimal canal

Answer 37

nasolacrimal duct

Question 38

incisive fossa

Answer 38

nasopalatine n. & a. | greater palatine a.

Question 39

greater palatine canal & foramen

Answer 39

greater palatine n. , a., v.

Question 40

lesser palatine canal & foramen

Answer 40

lesser palatine n., a., v.

Question 41

sphenopalatine foramen

Answer 41

sphenopalatine a. & v. | posterior superior nasal n. (medial and lateral)

Question 42

inferior orbital fissure

Answer 42

zygomatic nerve

Question 43

pterygomaxillary fissure

Answer 43

posterior superior alveolar n. | infraorbital, sphenopalatine, & greater palatine a. & v

Question 44

transverse foramen

Answer 44

vertebral a & v

Question 45

vertebral notch (axis)

Answer 45

C3 spinal nerve

Question 46

vertebral foramen & canal

Answer 46

houses spinal cord

Question 47

intervertebral foramen

Answer 47

spinal nerves & radicular vessels