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Cerebellum Flashcards

1
Q

Largest part of hindbrain

A

Crebellum

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2
Q

Structure that seperates cerebellum fron cerebral lobes

A

Tentorium cerebelli

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3
Q

2 big parts of cerebellum

A

2 cerebellar hemispheres

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4
Q

Name of narrow median strip between cerebellar hemispheres

A

Vermis

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5
Q

Name of 3 peduncles that connect cerebellar hemispheres to parts of brainstemn

A

Superior cerebellar peduncle
Middle cerebellar peduncle
Inferior cerebellar peduncle

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6
Q

Superior cerebellar peduncle enters in…

A

Midbrain

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7
Q

Middle cerebellar peduncles contains fiber from …

A

Pons

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8
Q

Inferior cerebellar peduncle connects with…

A

Medulla

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9
Q

What structure present on surface of cerebellm

A

Sulci

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10
Q

Structure that lie between sulci

A

Folia

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11
Q

4 cerebellar nuclei within white matter

A

Dentate nuclei
Enboliform nuclei
Globose nuclei
Fastigial nuclei

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12
Q

What division of the cerebellum done by horizontal fissure

A

Superior and inferior halves

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13
Q

What division of the cerebellm done by the primary fissure

A

Small anterior lobe

Large posterior lobe

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14
Q

Structures in inferior vermis

A

Tuber vermis
Pyramid
Uvula
Nodule

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15
Q

Composition of flocculonodular lobe

A 
2 flocculi (bulbous xtremety of projecting white matter capped with grey matter 0
Nodule
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16
Q

3 main functional divisions

A

Vestibulocerebellum with flocculonodular lobe

Spinocerebellum with vermis+intermediate zone

Cerebrocerebellum with lateral zones of cerebellar hemispheres

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17
Q

Spinocerebellum function

A

Motor execution

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18
Q

Cerebrocerebellum and vestibulocerebellum functions

A

Motor planning

Balance and eyes movement

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19
Q

Largest functional division

A

Cerebrocerebellum

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20
Q

Cerebrocerebellum inputs from … output to …

A

Inputs from cerebral cortex and pontine nucei

Output to thalamus and red nucleus

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21
Q

Function of cerebrocerebellum division

A

Planning movement
Motor learning
Regulation of coordination and muscle activation
Visually guided movement

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22
Q

Function of spinocerebellum

A

Regulate body movement
Error correction
Propioceptiie informatiom reception

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23
Q

Vestibulocerebellum function

A

Control balance and occular reflex

Fixation on target

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24
Q

Principal region of cerebellum concerned with postural adjustement

A

Vermis

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25
Is cerebellum posterior or anterior to 4th ventricle
Posterior
26
Structure that seperates cerebrum from cerebellum
Tentorium cerebelli
27
Functions of cerebellum
Coordination , precision of motor activity | Motor learning
28
Blood supply of cerebellum
Posterior inferior cerebellar artery Superior cerebellar artery Anterior inferior cerebellar artery
29
3 parts of cerebellum
Vermis | 2 hemispheres
30
Most caudal part of cerebellum
Tonsil
31
What structurrd form the roof of the 4 th bentricle
Superior and inferior medullary velum
32
Cerebellum functions
Regulation of impulses | coordination
33
Origin of cerebellum
Rhombencephalon
34
Central and vertical structure protruding from superior surface of cerebellum and run anteroposteriorly
Superior vermis
35
Three main lobes
Anterior lobe Posterior lobe Flocculonodular
36
What structure does the inferior cerebellar peduncle connect to each other. What tract does it use
The medulla and spinal cord to the cerebellum Spinocerebellar tract
37
What structure does the middle cerebellar peduncle connect together 
The pons and cerebellum
38
What are the three main fissures of the cerebellum
Horizontal fissure primary fissure retrotonsillar fissure
39
How does the primary fissure separate the cerebellum
Into anterior and posterior lobe
40
What are the three lobes of the cerebellum
Anterior lobe posterior lobe flocculo nodular lube
41
Function of anterior lobe of the cerebellum
Unconscious proprioception
42
Unction of posterior lobe of cerebellum
Fine motor coordination | Inhibition of unvoluntary movement via inhibitory neurotransmitter like GABA
43
Flocculonodular lobe part
Central part -> nodule | 2 lateral parts -> flocculi
44
Flocculus function
Receives input frin inner ear vestibular system and regulates balance Involved in control of eye movemetn
45
Nodule of vermis function
Connect both flocculus
46
Flocculonodular lobe function
Maintain balance | Vestibulo occular reflex
47
Vermis function
Senses of touch and propioception | Hearing, vision and balance from body
48
What are the four main nuclei of the cerebellum
Dentate nuclei Globose nuclei Emboliform nuclei Fastigial nuclei
49
Blood supply of cerebellum
2 vertebral arteries
50
Embriologic origin of cerebellum
Metencephalon
51
Three functional divisions of cerebellum
Vestibular cerebellum spinocerebellul cerebrocerebellum
52
What lobe is present in the vestibulocerebellum
Flocculonodular responsible for eye and balance
53
What’s zone are presents in the spinocerebellar
Vermis an intermediate zone | Responsible for motor is a cushion body movements error correction
54
What part is present in the cerebrocerebellum
 lateral divisions of the cerebellum | involved in motor planning , motor learning
55
How can you tell that someone has an issue with the Vermis of the cerebellum
Would not be able to stand or walk straight
56
From where to do to vertebral arteries enter the cerebellum
Through the foramen tranversorum
57
What are miserable or branches of the vertebral arteries
Posterior inferior inferior cerebellar artery which then go branch and form basilar artery -> Superiors crebellar arteries
58
Symptoms of damage of the cerebrocerebellum and spinocerebellar
Hypotonia of muscles hyporeflexia Asthenia ataxia
59
What are the components of ataxia in damage of cerebrocerebellum in spinocerebellar
``` Dysmetria intention tremor decomposition of complex movements rebounds phenomenon dysdiadochokinesia Nystagmus Dysarthria unsteady gait ```
60
Manifestation of flocculonodular damage
Swaying during standing Unsteady gait wide base when walking
61
Composition of inferior vermiis
Tuber vermis pyramid uvula nodule
62
What are the inputs and outputs of the cerebrocerebellum division
Input from cerebral cortex and pontine nuclei | Output to thalamus and red nucleus

Neurology (31 decks)

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