Cranial nerve tutorial part 2 Flashcards Preview

MD4001 Anatomy > Cranial nerve tutorial part 2 > Flashcards

Flashcards in Cranial nerve tutorial part 2 Deck (31)
1

describe the shape of the midbrain on cross section

thinner at the back then widens at the front -penguin feet

2

what feature can be seen at the back of the midbrain on cross section

colliculi

3

what feature can be seen at the front of the midbrain on cross section

cerebral peduncle

4

describe the shape of the pons on cross section

bowl shaped

5

what structure is found at the back of the pons in the indentation

4th ventricle

6

what structures can be seen at the back of the pons

abducens nucleus and cerebellar peduncles

7

what structures can be seen at the back of the medulla

4th ventricle
hypoglossal nucleus, dorsal vagal nucleus

8

what structure can be seen at the front of the medulla

pyramid, olive

9

what is the shape of the rostral part of the medulla on cross section

butterfly

10

what is the function of the spinothalamic tract

course touch, pain and temp

11

what is the function of the spinocerebellar tract

unconscious proprioception

12

what is the function of the medial lemniscus

proprioception and fine touch

13

what is the function of the corticospinal and corticobulbar tracts

conscious movement

14

what is the function of the medial longitudinal fasciculus

co ordination of eye and neck movements

15

what structures are on the medial side in the rule of four

medial lemniscus
motor tracts (corticospinal and corticobulbar)
medial longitudinal fasciculus
somatic motor nuclei

16

what structures are on the lateral side in the rule of four

sympathetic tracts
spinocerebellar
spinothalamic
somatic sensory nuclei

17

what is the blood supply to the medulla

anterior spinal artery
vertebral
posterior inferior cerebellar

18

what is the blood supply to the medial part of the medulla

anterior spinal

19

what is the blood supply to the anterolateral part of the medulla

vertebral

20

what is the blood supply to the posteriolateral part of the medulla

posterior inferior cerebellar

21

what is the blood supply to the pons

basilar, branches of the basilar and branches of anterior inferior cerebellar

22

what is the blood supply to the medial part of the pons

basilar

23

what is the blood supply to the posterolateral part of the pons

branches of the basilar

24

what is the blood supply to the anterolateral part of the pons

branches of the basilar and AICA

25

what is the blood supply to the midbrain

basilar, posterior cerebral, posterior communicating, superior cerebellar and branches

26

what is the blood supply to the to the anteriolateral part of the midbrain

branches of posterior cerebral

27

what is the blood supply to the posterolateral part of the midbrain

posterior cerebral and superior cerebellar

28

what is the blood supply to the medial part of the midbrain

basilar and posterior cerebral and posterior communicating

29

what is the main arterial supply to the midbrian

posterior cerebral

30

what is the main arterial supply to the pons

basilar

31

what is the main arterial supply to the medulla

anterior spinal