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Flashcards in Brain stem Deck (37)
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1
Q

what is the facial colliculus

A

bulging fibres of facial nerve looping around abducens nucleus (CN6)

2
Q

superior cerebellar peduncles aka

A

brachium conjunctivum

3
Q

middle cerebellar peduncle aka

A

brachium pontis

4
Q

inferior cerebellar peduncle

A

restiform

5
Q

what nerve goes through superior medullar velum

A

trochlear nerve

6
Q

2 main fissures of cerebellum on convex

A
anterior lobe
primary issue
middle lobe
horizontal fissure
posterior lobe 
posterolateral fissure
flocconodular lobe
7
Q

vermis lobules and fissures

A
lingula 
precentral fissure
central 
preculminate fissure
culmen 
primary fissure
declive
posterior superior fissure(SPF) 
folium 
great horizontal fissure 
tuber and folium
prepryamidal fissure
pyramis 
secondary fissure 
uvula 
posterlateral fissure 
nodulus
8
Q

which is midline and which is lateral of floccolonodular

A

nodulus is midline

flocculus is lateral

9
Q

what fissure separates anterior lobe and posterior lobe

A

primary fissure

10
Q

what seperates middle and posterior lobe

A

great horizontal lobe

11
Q

what separates posterior lobe and flocculonodular lobe

A

posterolateral fissure

12
Q

what fissure separates culmen from declive

A

primary fissure

13
Q

fissure separating folium and tuber

A

horizontal fissure

14
Q

fissure separating pyramis and uvula

A

secondary fissure

15
Q

posterior (occipital) surfaces great horizontal fissure separates

A

superior semilunar lobules and inferior semilunar lobules

16
Q

vermis from anterior to posterior

A

culmen
declive
folium
tuber

17
Q

fissure separating declive and folium

A

superior posterior fissure(SPF)

18
Q

neocerebellar syndrome

A
movements are ataxia- intermittent or jerky 
dymetria- overshoots or deviates away 
disdiadochokinesia
asynergy- mechanical movements
hypotonia 
intention tremor 
dyarthria- monotonous speech
19
Q

vestibulocerebellum

A

muscle tone in response to vestibular stimuli- maintain equilibrium

20
Q

spinocerebellum

A

adjustment of posture - proprioception

21
Q

pontocerebellum

A

afferent from pontine nuclei

22
Q

hemispheric of lingula

A

wings

23
Q

hemispheric of central lobule

A

ala

24
Q

hemispheric of culmen

A

anterior quadrangular lobe

25
Q

hemispheric of declive

A

posterior quadrangular lobule

26
Q

hemispheric of folium

A

superior semilunar

27
Q

hemispheric of tuber

A

inferior semilunar

28
Q

hemispheric of pyramid

A

biventral lobule

29
Q

hemispheric of uvula

A

tonsil

30
Q

fissure separating biventral lobe

A

intrabiventral

31
Q

3 nuclei of cerebellum

A

fastigial nuclei - middle
dentate- laterally
interpositus- emoboliform and globose

32
Q

describe dentato rubro thalamic pathway of superior cerebellar penduncle

A

superior medullary velum
decussate at level of inferior colliculi
to ventral lateral nuclei of thalamus

33
Q

4 functions of cerebellum

A

vestibulocerebellum
sensorimotor
cognitive
limbic

34
Q

what part of cerebellum is cognitive

A

folium, superior and inferior crus, gracile lobule

35
Q

what part is limbic

A

posterior lobe of vermis- decline, folium, tuber

36
Q

what part is sensorimotor

A

anterior lobe, declive

37
Q

what part is vestibulocereblleum

A

lingula
flocculonodular lobe
uvula