The word “nevus” is a synonym for the word “mole”. However, an epidermal nevus is a special kind of mole that does not look like the typical small moles almost every person has.
Chicken pox (also called varicella) is a classically childhood skin disease that is caused by the varicella zoster virus, the same virus that causes shingles in adults.
Cellulitis is an infection of the deeper subcutaneous layers of the skin with a classic set of signs and symptoms including redness, pain, and warmth, and swelling. (The picture of cellulitis affecting a person’s left leg above shows the redness and swelling, as well as evidence of a bandaged wound on the great toe.)