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Cerebellar Anatomy 03

Topic: Anatomy

Created on Saturday, March 3 2007 by jdmiles

Last modified on Saturday, March 3 2007.

Fibers in the inferior cerebellar peduncle are predominantly:

 
        A) Axons from neurons whose cell bodies are in the deep pontine nuclei
 
        B) Carrying information from the deep cerebellar nuclei
 
        C) Efferents from the cerebellum
 
        D) Afferents to the cerebellum
 
        E) Axons from cerebellar stellate cells
 

 


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This question was created on March 03, 2007 by jdmiles.
This question was last modified on March 03, 2007.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

ANSWERS AND EXPLANATIONS




A) axons from neurons whose cell bodies are in the deep pontine nuclei

This answer is incorrect.


Fibers arising from the pontine nuclei tend to enter the cerebellum via the middle cerebellar peduncle. The inferior cerebellar peduncle consists largely of afferents to the cerebellum from the inferior olivary nucleus.  (See References)

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B) carrying information from the deep cerebellar nuclei

This answer is incorrect.


The inferior cerebellar peduncle consists largely of afferents to the cerebellum from the inferior olivary nucleus.  (See References)

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C) efferents from the cerebellum

This answer is incorrect.


The inferior cerebellar peduncle consists largely of afferents to the cerebellum from the inferior olivary nucleus.  (See References)

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D) afferents to the cerebellum

This answer is correct.


The inferior cerebellar peduncle consists largely of afferents to the cerebellum from the inferior olivary nucleus.  (See References)

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E) axons from cerebellar stellate cells

This answer is incorrect.


Cerebellar stellate cells are inhibitory interneurons in the cerebellum. Their axons do not exit the cerebellum.  (See References)

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References:

1. Purves, D., Augustine, G.J., Fitzpatrick, D., Katz, L.C., LaMantia, A., McNamara, J., and Williams, S.M. (Eds.) (2001) Neuroscience. Sinauer Associates, Sunderland, MA.
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anatomy
Cerebellar Anatomy 03
Question ID: 030307154
Question written by J. Douglas Miles, (C) 2006-2009, all rights reserved.
Created: 03/03/2007
Modified: 03/03/2007
Estimated Permutations: 1800

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