Keratosis: A localized horny overgrowth of the skin, such as a wart or callus. Among the common types of keratosis are actinic keratosis and seborrheic keratosis.
Keratosis: A localized horny overgrowth of the skin, such as a wart or callus. Among the common types of keratosis are actinic keratosis and seborrheic keratosis.
