Blackhead

Blackhead
Related Category: Pathology
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).
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Blackhead: A familiar term for what is medically called an open comedo.
A comedo, the primary sign of acne, consists of a dilated (widened) hair follicle filled with keratin squamae (skin debris), bacteria, and sebum (oil).
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blackheads (plugged oil glands with black tips)
whiteheads (pimples)
red bumps that may hurt or be filled with pus.
In very bad cases, you may get a cyst. A cyst is a bump that forms under the skin. It is larger than a pimple.
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BLACKHEADS
SYMPTOMS"Blackheads are small, tallow-like plugs formed in the pores by the accumulation of dirt, oil, and bacteria. They are black, at the exposed end, because of oxidation rather than the presence of germs.
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blackheads
whiteheads
pus-filled lesions that may be painful
nodules (solid, raised bumps) ...
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blackhead
A dark-topped plug of fatty material in the opening of a hair follicle. The color is the result of exposure of the fat to the air.
blackout ...
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Whitehead and blackhead removal. A health professional uses a pen-sized metal instrument to apply pressure around the whitehead or blackhead, forcing it out. Doctors advise people not to squeeze acne themselves, because scarring can result.
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birch; bird; birk; birt; bisa antelope; biserrate; bismer; bison; bispinose; bisulcate; bitterbump; bitterling; bittern; bittor bittour; bivium; black bass; blackbird; blackburnian warbler; blackcap; blackcock; blackfin; blackfish; blackhead; ...
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Comedones are blackheads and whiteheads, which are associated with increased oil production on the nose, forehead, and chin (T-zone). This form of acne often develops in preteens and during the early teenage years.
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Chemicals, such as glycolic acid or salicylic acid, applied to your skin help remove dead skin cells, unclog pores, remove whiteheads and blackheads, and can generate new skin growth.
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The black of blackheads is due to the pigment or colouring of the plug of "sticky" cells blocking the hair duct.
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Acne is a term that's used to describe whiteheads, blackheads, and pimples. (You may well recognize slang terms like spots, or zits).
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Acne is a skin condition characterized by blackheads, whiteheads, and small, red bumps (pimples) on the face, back and chest. Although the condition generally occurs during adolescence, a form of acne can also develop during infancy.
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Sulfur and resorcinol also help break down whiteheads and blackheads.
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Propylene glycol and alcohol (including ethanol and propanol) are astringents -- they dry out the skin. They're usually listed under "inactive ingredients." ...
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The characteristic "blackhead" appearance is caused by the presence of skin pigment, not dirt. Whiteheads are more common and are likely to become inflamed because the grease and bacteria that collects can't escape.
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Antiacne drugs are medicines that help clear up pimples, blackheads, whiteheads, and more severe forms of acne.
Purpose ...
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Black Lung Disease (Coal Workers Pneumoconiosis)
Black Nightshade
Black Widow Spider
Black Widow Spider Bite (Insect Bites and Stings)
Blackheads ...
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Because these pimples look like teenage acne, rosacea has often been nicknamed adult acne or acne rosacea. However, rosacea has different causes than acne, and adults with rosacea do not have the whiteheads or blackheads (called comedones) commonly ...
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