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Nissl substance

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Nissl substance (nsl)
n.
Material consisting of granular endoplasmic reticulum and ribosomes and occurring in nerve cell bodies and dendrites. Also called Nissl body, Nissl granule.

Nissl
named for Franz Nissl (1860-1919), German neurologist.

Nissl bodies
large granular bodies that stain with basic dyes, forming the reticular substance of the cytoplasm of neurons, composed of rough endoplasmic reticulum and free polyribosomes.
Nissl granules
location of synthesis of most nervous system proteins.
Nissl substance


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With maturation, cells expressed more abundant cytoplasm, occasionally with Nissl substance, and more prominent nuclei, similar to normal neurons.
 
 
 
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