Cerebellum Flashcards

1
Q

What are the three arteries that supply the cerebellum?

A

Superior cerebellar artery, anterior inferior cerebellar artery, posterior inferior cerebellar artery

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2
Q

What are the gyri and sulci referred to as in the cerebellum?

A

Folia and fissures

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3
Q

What are the three anatomical lobes of the cerebellum?

A

Anterior, posterior, flocculonodular

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4
Q

What is the worm-like structure in the midline of the cerebellum?

A

Vermis

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5
Q

Where is the primary fissure?

A

Between the anterior and posterior lobes

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6
Q

Where is the dorsolateral fissure?

A

Between the posterior and flocculonodular lobes

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7
Q

What are the lobules of the vermis?

A

Lingula, central, culmen, Declive, Folium, Tuber, Pyramid, Uvula, Nodule

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8
Q

What are the three layers of the cerebellar cortex?

A

Molecular layer, purkinje cell layer, granular layer

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9
Q

Where do climbing fibers originate?

A

Inferior olivary nucleus

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10
Q

What are the two types of cortical afferent fibers of the cerebellum?

A

Climbing and mossy

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11
Q

What is the cortical efferent fibre type of the cerebellum?

A

Purkinje cells

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12
Q

What neurotransmitter do purkinje cells use?

A

GABA

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13
Q

What are the four major cerebellar nuclei?

A

Dentate nucleus, fastigal nucleus, emboliform nucleus, globose nuclei

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14
Q

What is the interposed nucleus?

A

The globose nuclei + the emboliform nucleus

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15
Q

Which of the cerebellar nuclei is visible with the naked eye?

A

Dentate nucleus

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16
Q

What are the three functional lobes of the cerebellum?

A

Spinocerebellum, Corticocerebellum and vestibulocerebellum

17
Q

What is the role of the spinocerebellum (paleocerebellum)?

A

Muscle tone and posture

18
Q

What is the role of the corticocerebellum (neocerebellum)?

A

Muscle coordination (trajectory, speed, force)

19
Q

What is the role of the vestibulocerebellum (archicerebellum)?

A

Maintenance of balance

20
Q

Where is the cerebrocerebellum?

A

The lateral hemispheres of the cerebellum

21
Q

Where is the vestibulocerebellum?

A

The flocculonodular lobe

22
Q

What are the three cerebellar peduncles?

A

Middle, superior and inferior

23
Q

Which peduncle and region of cerebellar cortex is associated with the dentate nucleus?

A

Middle cerebellar peduncle and cerebrocerebellar cortex

24
Q

Which peduncle and region of cerebellar cortex is associated with the globose and emboliform nucleus?

A

Superior and inferior peduncles, and the spinocerebellar cortex

25
Which peduncle and region of cerebellar cortex is associated with the fastigal nucleus?
Inferior peduncle and vestibulocerebellar cortex
26
What are the signs of cerebellar damage?
Dysdiadokinesia, ataxia, nystagmus, intention tremor, slurred speech, hypotonia