Shared Flashcard Set

Details

Cerebellum (quiz questions only)
For bootcamp quiz 1
11
Biology
Post-Graduate
01/21/2018

Additional Biology Flashcards

 


 

Cards

Term
The cerebellum is derived from the ___ ___
Definition
alar plate
Term
___ x more axons project into in the cerebellum than exit from it
Definition
40x
Term
Distruption of which part of the cerebellum causes truncal ataxia and wide based gait?
Definition
Fastigial nuclei, in the vermis (midline)
Term
All cerebellar output is from ____ cells in the ___ layer
Definition
Purkinje cells in the pukinje layer
Term

CJD preferentially attacks ___ cells in the ___ layer of the cerebellum 

How can it be transmitted?

Definition

Granule cells of the granular layer

 

Can be transmitted from human growth hormone supplements (because hGH comes from cadavers)

Term
Climbing fibers of the cerebellum receive input from the ___ nucleus via the ___
Definition

from the olivary nucleus, and cross the midline via the inferior cerebellar peduncle

 

(are excitatory to purkinje cells)

Term
Lab seen in Wilson's disease
Definition
high urinary copper
Term

Describe the triangle of Guillain Mollaret

- Key tract

- What lesions to this cause

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

Term
What is the output cell of the cerebellum?
Definition
Purkinje cells
Term
Where does the inferior olive project to?
Definition

Cerebellum via the inferior cerebellar peduncle to climbing fibers.

 

Does not project to anything else.

Term
Lithium toxicity can cause what?
Definition
SIADH and cerebellar toxicity
Supporting users have an ad free experience!