CEREBELLUM - MODULE

Question 1

Where is the cerebellum located

Answer 1

in the posterior cranial fossa underneath the tentorium cerebelli

Question 2

How is the cerebellum connected to the brainstem

Answer 2

through 3 cerebellar peduncles

Question 3

What structure is the cerebellum embryologically related to

Answer 3

the pons

Question 4

Where do you find the 4th ventricle

Answer 4

Between the pons and the cerebellum

Question 5

What structures of the cerebellum make up the spinocerebellum

Answer 5

Anterior lobe, Vermis, Paravermis

Question 6

What structures of the cerebellum make up the cerebrocerebellum

Answer 6

most posterior lobe

Question 7

What structures of the cerebellum make up the vestibulocerebellum

Answer 7

Flocculus and Nodule

Question 8

What is the main output nucleus from the cerebellum

Answer 8

the dentate nucleus

Question 9

What are the afferents of the superior cerebellar peduncle

Answer 9

• Anterior spinocerebellar tract

- Acoustic and optic information

Question 10

What are the efferents of the superior cerebellar peduncle

Answer 10

• Dentatorubrothalamic tract

- Dentatothalamic tract

Question 11

What are the afferents of the middle cerebellar peduncle

Answer 11

Pontocerebellar tract

Question 12

What are the efferents of the middle cerebellar peduncle

Answer 12

non

Question 13

What are the afferents of the inferior cerebellar peduncle

Answer 13

• Vestibulocerebellar tract
• Olivocerebellar tract
• Posterior spinocerebellar tract

Question 14

What are the efferents of the inferior cerebellar peduncle

Answer 14

• Cerebello-vestibular tract

- Cerebello-olivary tract

Question 15

What is the function of the vestibulocerebellar loop

Answer 15

Coordination of balance, vestibulo-ocular reflex, output to lower motor neurons for trunk and limb stability

Question 16

What is the function of the spinocerebellar loop

Answer 16

Coordination and correction of trunk and limb movements

Question 17

What is the function of the cerebrocerebellar loop

Answer 17

Streamlining the cortical output

Question 18

Input from the cortex to the cerebellum is relayed through _____

Answer 18

the pontine nuclei

Question 19

Input from the cortex to the cerebellum is relayed through the pontine nuclei, what occurs to the information from here

Answer 19

fibres cross the midline and enter the posterior lobe through the middle cerebellar peduncle

Question 20

Any influence of the cerebellum back to the LMN in the spinal cord will be via…

Answer 20

the corticocospinal tract

Question 21

What are the main blood supplies to the cerebellum

Answer 21

• anterior inferior cerebellar artery
• Posterior inferior cerebellar artery
• superior cerebellar artery

Question 22

What regions does the anterior interior cerebellar artery supply?

Answer 22

• Cerebellar peduncles
• Flocculus, nodule
• Lateral aspect of posterior lobe on inferior surface
• Assists with supply to deep cerebellar nuclei

Question 23

What regions does the posterior interior cerebellar artery supply?

Answer 23

• Posterior lobe - inferior surface, extending onto superior surface
• Tonsils
• Inferior part of vermis

Question 24

What region does the superior cerebellar artery supply?

Answer 24

• Anterior lobe
• Posterior lobe - superior aspect, strip adjacent to anterior lobe
• Vermis on superior surface
• Major supply to deep cerebellar nuclei
• Can provide supply to SCP and rostral parts of MCP