Acne is inflammation of the sebaceous glands in the skin. When the pores of the skin become clogged, the oil the sebaceous gland secretes becomes trapped. The plug causes the follicle to bulge (causing whiteheads), and the top of the plug may darken (causing blackheads).
Review Date: 8/16/2004 12:00:00 AM
Reviewed By: A.D.A.M. Medical Illustration Team
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