Term
| The cerebellum is derived from the ___ ___ |
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Definition
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Term
| ___ x more axons project into in the cerebellum than exit from it |
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Definition
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Term
| Distruption of which part of the cerebellum causes truncal ataxia and wide based gait? |
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Definition
| Fastigial nuclei, in the vermis (midline) |
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Term
| All cerebellar output is from ____ cells in the ___ layer |
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Definition
| Purkinje cells in the pukinje layer |
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Term
CJD preferentially attacks ___ cells in the ___ layer of the cerebellum
How can it be transmitted? |
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Definition
Granule cells of the granular layer
Can be transmitted from human growth hormone supplements (because hGH comes from cadavers) |
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Term
| Climbing fibers of the cerebellum receive input from the ___ nucleus via the ___ |
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Definition
from the olivary nucleus, and cross the midline via the inferior cerebellar peduncle
(are excitatory to purkinje cells) |
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Term
| Lab seen in Wilson's disease |
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Definition
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Term
Describe the triangle of Guillain Mollaret
- Key tract
- What lesions to this cause |
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Definition
Parvocellular red nucleus -> central tegmental tract -> ipsilateral inferior olivary nucleus -> inferior cerebellar peduncle -> contralateral dentate nucleus -> superior cerebellar peduncle -> red nucleus
Lesions cause palatal myoclonus or holmes tremor |
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Term
| What is the output cell of the cerebellum? |
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Definition
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Term
| Where does the inferior olive project to? |
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Definition
Cerebellum via the inferior cerebellar peduncle to climbing fibers.
Does not project to anything else. |
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Term
| Lithium toxicity can cause what? |
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Definition
| SIADH and cerebellar toxicity |
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