NEET BIOLOGY

Detailed explanation-1: -Nissl’s granules are fragments of rough endoplasmic reticulum (RER). They are involved in protein synthesis and are found only in specific parts of the neuron; in the cyton as well as the dendrites. They are absent in axon.

Detailed explanation-2: -Nissl’s granules are large granular bodies found in neurons. They are made of granular endoplasmic reticulum and ribosomes that occurs in nerve cell bodies and dendrites. They play an important role in protein synthesis.

Detailed explanation-3: -Nissl bodies, also called nissl substance, are granules in the cytoplasm of nerve cell bodies that are strongly stained by basic dyes and appear as basophilic clumps on light microscopy. They consist of aggregates of free polyribosomes and rough endoplasmic reticulum.

Detailed explanation-4: -Explanation: Nissl granules are absent in Axon. The neuron is made up of a cell body (cyton), dendrites (dendron), axons and axon terminals. Nissl granules are discrete structures, which consist rough endoplasmic reticulum and free ribosomes.

Detailed explanation-5: -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.