A neuron is analogous to an electric wire. If you look at an electric wire going from a lamp to a wall plug, you do not see the actual wire. Instead, you see the insulation. If you would scrape off...
A disease that effects the myelin sheath is multiple sclerosis (MS). The function of the myelin sheath is to act as an insulator for the nerve cell. It's kind of like the rubber casing found on the...