Unipolar neurons with an axon and no dendrite are present in

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?

The neurilemma surrounds the

The efferent process of a neuron is known as:

Nissl's granules are found in

Identify $A$ and $B$ from the figure and what is the function of the part labelled as $C$?