A small, solid elevation of the skin containing bacteria.
A small swelling on the skin, containing pus.
Small, inflamed, pus-containing swelling on the skin, usually due to infection of a pore obstructed with sebaceous secretions.
A type of inflamed pustule (a small pus-filled blister) that is usually red at its base. A pimple may burst and form a yellow crust. Pimples are a common feature of skin conditions such as acne and impetigo.
A small inflamed swelling on the skin that contains pus. It may be the result of bacterial infection of a skin pore that has become obstructed with fatty secretions from the sebaceous glands. Pimples occurring in large numbers on the chest, back, and face are usually described as acne, a common condition of adolescence.
Technically known as papules, these are small, raised and inflamed areas on the skin. On the face, the most common cause is acne. Boils (furunculosis) start as hard pimples. The eruption of smallpox and that of chickenpox begins also with pimples.
A papule or pustule of the skin often seen in clusters on skin of the adolescent with acne.