NEET PG DENTAL EXAM

BRAIN

SPINAL CORD

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Clusters of RER in neurons are called
A
neurofilaments
B
neurofibrils
C
perikaryon
D
Nissl bodies
Explanation: 

Detailed explanation-1: -A Nissl body is also known as Nissl substance is a large granular body found in neurons. These granules are rough endoplasmic reticulum (RER) with rosettes of free ribosomes and are the site of protein synthesis. These are present in the cell body of the nerve cell.

Detailed explanation-2: -The ribosomes and RER synthesize proteins. Some areas of the perikaryon contain clusters of RER and free ribosomes. These regions, which stain darkly with cresyl violet, are the Nissl bodies.

Detailed explanation-3: -Answer and Explanation: Clusters of RER and free ribosomes in neurons are called d. Nissal bodies. Nissal bodies stain intensely with basic aniline dyes, making them a prominent histological feature.

Detailed explanation-4: -A Nissl body, also known as Nissl substance and Nissl material, is a large granular body found in neurons. These granules are of rough endoplasmic reticulum (RER) with rosettes of free ribosomes, and are the site of protein synthesis. Q.

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