the Cerebellum Flashcards

1
Q

Anatomical lobes of the cerebellum

A
  1. primary fissure

2. posterolateral fissure

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2
Q

cerebellar zones

A
  1. vermis
  2. intermediate
  3. lateral hemispheres
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3
Q

functional divisions of the cerebellum

A
  1. cerebrocerebellum
  2. Spinocerebellum
  3. Vestibulocerebellum
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4
Q

cerebrocerebellum

A
  1. largest division formed by lateral hemispheres
  2. involved in planning movements and motor learning
  3. recieves input from cerebral cortex and pontine nucleus
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5
Q

spinocerebellum

A
  1. comprised of vermis and intermediate zone of the cerebellar hemisphere
  2. recieves proprioceptive information
  3. regulating body movements by allowing error correction
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6
Q

Blood supply of the cerebellum

A

recieves blood from three paired arteries

  1. Superior cerebellar artery (SCA)
  2. Anterior inferior cerebellar artery (AICA)

BOTH ARE BRANCHES OF THE BASILAR ARTERY

  1. Posterior inferior cerebellar arterior (PICA)
    BRANCH OF VERTEBRAL ARTERY
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7
Q

venous drainage of cerebellum

A

superior and inferior cerebellar veins

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8
Q

manifestations of cerebellar dysfunction

A
  1. D-ysdiadochokinesia - difficulty carrying out rapid alternating movements
  2. A taxia
  3. Nystagmus
  4. Intension tremor
  5. Scanning speech
  6. Hypotonia
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