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MED220 > Lecture1: Cerebellum > Flashcards

Lecture1: Cerebellum Flashcards

1
Q

What is the Fissure on the Posterior surface of the cerebellum?

A

Fissura Prima, a V shape

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2
Q

What are the 2 fissures on the Inferior surface?

A

Fissura seccunda, and posterolateral fissure

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3
Q

What is the function of the anterior lobe?

A

Reg of muscle tone (spinal cord)

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4
Q

What is the function of the posterior lobe?

A

Coordination of movement (cerebral cortex)

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5
Q

What is the function of the Flocculonodular lobe?

A

Maintenance of equilibrium (vestibular nuclei)

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6
Q

What does the inferior peduncle arise from?

A

Medulla

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7
Q

What is the function of the inferior peduncle?

A

Afterent input to the anterior lobe

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8
Q

Where does the Middle Peduncle arise from?

A

Pontine nuclei of the pons

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9
Q

What is the function of the middle pednucle?

A

Projects to the posterior lobe

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10
Q

What fibres are carried through the middle peduncle?

A

Commissural

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11
Q

What is the origin of the Superior Peduncle?

A

The dentate nucleus

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12
Q

What is the function of the superior peduncle?

A

Connects posterior lobe to the midbrain. Efferent pathway

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13
Q

What is the Tonsils origin?

A

Foramen Magnum

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14
Q

What is the Tonsils’ clinical relevance?

A

In-case of increased intra cranial pressure, they apply pressure onto the respiratory centres of the medulla, causing insta death

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15
Q

What is the most medial/upward nuclei?

A

Fastigial nuclei

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16
Q

What is the most lateral nuclei?

A

Dentate nuclei

17
Q

Which nuclei is functionally associated with the Flocculonodular lobe?

A

Fastigial nuclei

18
Q

What is the nuclei functionally associated with the Anterior lobe?

A

Emboliform nuclei

19
Q

Which artery supplies the superior surface? And it’s origin

A

Superior cerebellar artery, arising from the basillar artery

20
Q

What is the origin of the anterior inferior cerebellar artery?

A

Arises from basillar artery

21
Q

What is the origin of the posterior inferior cerebellar artery?

A

Arises from Vertebral artery

MED220 (24 decks)

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