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blackhead
(redirected from comedones)

    Also found in: Dictionary/thesaurus, Medical, Wikipedia, Hutchinson 0.01 sec.
blackhead, yellowish or blackish plug of material accumulated in the duct of a sebaceous gland. The material consists of keratin (horny cells of the epidermis) and modified sebum (oily secretions of the sebaceous gland). Blackheads are the primary lesions in acne acne, common inflammatory disease of the hair follicles and sebaceous glands characterized by blackheads , whiteheads, pustules, nodules and, in the more severe forms, by cysts and scarring. The lesions appear on the face, neck, back, chest, and arms.
..... Click the link for more information. . Treatment is the same as for acne, with frequent cleansing of the skin followed by the application of astringent solutions. Plugs should be extracted only by a physician, since damage to the surrounding tissues occasioned by squeezing often leads to scarring.
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Recurrent deep inflammation of cysts repeatedly required and still requires surgical interventions and mechanical removal of the comedones, oral adminstration of methyl-prednisolone (4-40 mg/day Urbason; Hoechst Marion Roussel, Vienna, Austria), and analgesic drugs and antibiotics.
Severe 2,3,7,8-Tetrachlorodibenzo-p-dioxin (TCDD) intoxication: ... by Tschachler, Erwin / Environmental Health Perspectives
There are two kinds of pimples: comedones, also known as blackheads, and other more unpleasant inflammations called papules, pustules or nodules, which range from a typical red pimple to a painful, pus-filled zit.
ACNE UNDER CONTROL; DERMATOLOGY HOLDS ADVANTAGE IN SKIN BATTLE by Daily News (Los Angeles, CA)
The doctor may remove the patient's comedones during office visits.
Questions and Answers About Acne by Pamphlet by: Nat'l Inst. of Arthritis and Musculoskeletal & Skin Diseases
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