Nodes of Ranvier are found in

Multiple sclerosis is caused by .............

Differentiate between medullated nerve fibers and non-medullated nerve fibers.

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?

Cell bodies or cyton are found in

Describe the structure of a neuron,its types based on processes,and their locations with examples.