Acne
A disorder of the skin's oil glands (sebaceous glands) that results in plugged pores and outbreaks of lesions commonly called pimples or zits. Acne lesions usually occur on the face, neck, back, chest, and shoulders. Nearly 17 million people in the United States have acne, making it the most common skin disease. Although acne is not a serious health threat, severe acne can lead to disfiguring, permanent scarring, which can be upsetting for people who suffer from the disorder.
Doctors describe acne as a disease of the pilosebaceous units. Found over most of the body, pilosebaceous units consist of a sebaceous (oil) gland connected to a hair-containing canal called a follicle. These units are largest and most numerous on the face, upper back, and chest—areas where acne tends to occur. The sebaceous glands make an oily substance called sebum that normally empties onto the skin surface through the opening of the follicle.
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About this information: These definitions were provided by the Centers for Disease Control, the National Institutes for Health and other government health agencies. This information is for educational purposes only. If you are concerned about your health or your child's health, please consult your family's health care provider immediately. This information is not a substitute for personal medical attention, diagnosis or treatment.
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