blackhead

(redirected from Blackheads)
Also found in: Dictionary, Thesaurus, Medical.

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 acneacne,
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.

blackhead

[′blak‚hed]
(medicine)

blackhead

1. a black-tipped plug of fatty matter clogging a pore of the skin, esp the duct of a sebaceous gland
2. an infectious and often fatal disease of turkeys and some other fowl caused by the parasitic protozoa Histomonas meleagridis
3. any of various birds, esp gulls or ducks, with black plumage on the head
References in periodicals archive ?
If you have mild acne, or whiteheads and blackheads, make sure you don't pick at them as it could cause scarring or more oil to enter your pores.
Dermatologists use chemical peels with great caution to treat two types of acne - blackheads and papules.
TESTER: Belinda Disley, 39, store manager of Clayton Square Lollipops Paris PRODUCT: Biore Warming Blackhead Fighting Cream with skin smoothing formula, pounds 4.
In the square, and totally incongruous with the House of Blackheads and the Town Hall, is a much more recent 'new' building, dating from 1970.
Q: ONE of my cats seems to have developed what looks like blackheads on his chin.
Being so naked, Sam's body is covered with blackheads.
Where's the pride in dirty nails or blackheads on your face?
IN WHAT THE COMPANY calls the biggest breakthrough in ache pads in over 45 years, Stri-Dex has come out with the first over-the-counter benzoyl peroxide acne pad for the treatment and management of pimples, whiteheads, and blackheads.
While not as strong as they were a year ago when they turned in an almost 20% increase in drug stores, sales of products aimed at fighting blemishes, blackheads and pimples continued to move forward in 2004, helping retailers across the mass market bolster their volume.
Pimples, blackheads, oily skin, ingrown hairs (common in new shavers) are all conditions that plaque teenagers and can, when ignored or not treated property, lead to other problems like low self esteem.
In contrast to acne, neonatal cephalic pustulosis often involves the eyelids and does not produce blackheads.