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Old 10-05-2011
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Question Hİstology questİon

Nissl bodies correspond to which of the following cytoplasmic organelles?
A. Golgi apparatus
B. Mitochondria
C. Nucleoli
D. Rough endoplasmic reticulum
E. Smooth endoplasmic reticulum
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rough endoplasmic reticulum (they are the site of protein synthesis)
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D. Rough endoplasmic reticulum
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D) Nissl bodies are large bodies of rough ER, and are particularly found in neurons. These include lots of ribosomes which are used as the site of protein synthesis.
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Rough ER site of protein synthesis
Nissl bodies contain polyribosomes and RNA
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D. Rough endoplasmic reticulum
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d...in the body of the nerve cell
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Old 10-06-2011
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The correct answer is D. This is a straightforward question relating to the definition of Nissl bodies. Rough endoplasmic reticulum present in neurons are called Nissl bodies. They stain intensely with basic dyes and are found in the cell body and proximal dendrites, but not in the axon hillock or axon.

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