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Phase 1 > Cerebellum > Flashcards

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
Q

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

A

Inferior peduncle and vestibulocerebellar cortex

26
Q

What are the signs of cerebellar damage?

A

Dysdiadokinesia, ataxia, nystagmus, intention tremor, slurred speech, hypotonia

Phase 1 (41 decks)

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