nerves + holes

Question 1

sella turcica is made of

Answer 1

tuberculum sellae

hypophysial fossa

dorsum sellae

Question 2

sella turcica contains

Answer 2

pituitary gland

and!

infolding of dura = diaphragm sellae

Question 3

optic canal contains (2)

Answer 3

1. optic nerves CN II

2. ophthalmic arteries

Question 4

superior orbital fissure contains (6)

Answer 4

1. ophthalmic veins
2. ophthalmic nerve CNV1
3. oculomotor nerve CN3
4. trochlear nerve CN4
5. abducens CN6
6. sympathetic fibers

Question 5

trigeminal branches

Answer 5

V1 ophthalmic nerve
V2 maxillary
V3 mandibular nerve

Question 6

foramen rotundum contains

Answer 6

CNV2 -> maxillary nerve

Question 7

foramen ovale contains

Answer 7

CNV3 -> mandibular nerve

Question 8

foramen spinosum contains (2)

Answer 8

meningeal arteries and veins

Question 9

foramen lacrem contains

Answer 9

nothing, but internal carotid runs over it

Question 10

carotid canal contains (2)

Answer 10

1. internal carotid artery

2. sympathetic fibers

Question 11

posterior cranial fossa contains (3)

Answer 11

1. cerebellum,
2. pons
3. medulla oblongata

Question 12

foramen magnum contains (4)

Answer 12

1. spinal cord and meninges
2. vertebral arteries
3. dural veins
4. anterior and posterior spinal arteries

Question 13

jugular foramen (5)

Answer 13

1. CN9 - glossopharyngeal
2. CN10 - vagus
3. CN11 - spinal accessory
4. internal jugular vein
5. inferior petrosal / singmoid sinuses

Question 14

hypoglossal canal contains

Answer 14

hypoglossal nerve CN12

Question 15

internal auditory canal contains (2)

Answer 15

facial CN7 and auditory CN8 (vestibulocochlear)

Question 16

middle meningeal artery is a branch of

Answer 16

MAXILLARY artery which is a branch of external carotid artery

Question 17

DURA mater is innervated by

Answer 17

trigeminal V1 , V2, V3

and small amounts of C2/C3 via CN 10 and 11

Question 18

gyri =

Answer 18

fold

Question 19

sulci =

Answer 19

grooves

Question 20

fissures =

Answer 20

cleft

Question 21

diencephalon =

Answer 21

epithalamus (pineal gland)
thalamus
hypothalamus

Question 22

diencephalon surrounds

Answer 22

the third ventricle

Question 23

midbrain =

Answer 23

upper most area of brainstem, gives rise to CN III and CN IV

cavity forms the cerebral aqueduct that conveys CSF from 3rd ventral to 4th ventricle

Question 24

midbrain gives rise to

Answer 24

CN 3 and CN 4

Question 25

pons is in between

Answer 25

midbrain and medulla oblongata

Question 26

pons gives rise to

Answer 26

CN V

Question 27

cavity between pons and medulla oblongata =

Answer 27

4th ventricle

Question 28

junction of pons and medulla oblongata gives rise to

Answer 28

CN 6 and CN 8

Question 29

medulla oblongata gives rise to

Answer 29

CN 9, 10, 11