Morphological characteristics of Lugaro cells in the cerebellar cortex

Two types of Lugaro cells were identified in the cat cerebellar cortex using sections impregnated with silver nitrate by the Golgi-Kopsch method; these cells were fusiform and triangular and their bodies were located at different levels in the granular layer. Their processes were directed horizontal...

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Bibliographic Details
Published in:Neuroscience and behavioral physiology 2004-07, Vol.34 (6), p.633-638
Main Authors: Melik-Musyan, A B, Fanardzhyan, V V
Format: Article
Language:English
Subjects:
Animals
Axons
Cats
Cerebellar Cortex - cytology
Dendrites
Interneurons - classification
Interneurons - cytology
Morphology
Nerve Net - cytology
Neural Inhibition - physiology
Neurons
Nitrates
Physiology
Serotonin
Silver Staining
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Summary:Two types of Lugaro cells were identified in the cat cerebellar cortex using sections impregnated with silver nitrate by the Golgi-Kopsch method; these cells were fusiform and triangular and their bodies were located at different levels in the granular layer. Their processes were directed horizontally, vertically, or obliquely to the axis of the leaf; axons never left the cerebellar cortex. These cells should therefore be regarded as interneurons. The processes of Lugaro cells were very extended, with the result that these cells formed numerous axosomatic and axodendritic contacts with all cerebellar cortical neurons and fibers. The structural and topographical characteristics of Lugaro cells and the features of their contacts with other cells in the cerebellar cortex, taken together with data on their neurotransmitter contents, show that they function as inhibitory interneurons.
ISSN:0097-0549
1573-899X
DOI:10.1023/b:neab.0000028297.30474.f9