The nerve cells do not possess

Four healthy people in their twenties faced injuries resulting in damage and death of a few cells given below. Which of the cells are least likely to be replaced by new cells?

Nissl's granules are found in the cyton of nerve cells. These have an affinity for basic dyes. The granules are made up of:

Myelin sheath is produced by .......... .

Which of the following is a characteristic of Multiple Sclerosis?

Four healthy people in their twenties were involved in injuries resulting in damage and death of a few cells of the following types. Which of these cells are least likely to be replaced by new cells?