Corns on Feet and Toes – Definition and Treatment

Definition of Corns Corns are growths of thickened skin on the tops and sides of the toes. Corns result from accumulations of keratocytes that develop in response to repeated pressure, typically from shoes that are too tight, and are the body’s effort to protect the skin and underlying tissues. A corn has a hard inner core with […]

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Furuncle – Definition, Symptoms and Treatment

Definition of Furuncle An infected hair follicle, commonly called a boil. A furuncle develops when bacteria normally present on the surface of the skin (typically staphylococcus) causes a collection of dead cells and fluid (pus) to block the follicle. The blocked follicle becomes reddened, inflamed, enlarged, and usually quite painful. Furuncles are most likely to develop in the underarm area, groin, […]

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Miliaria – Small Bumps Skin – Definition

Definition of Miliaria Miliaria are small bumps that form on the skin in environmental conditions of high heat and humidity, when the body produces much sweat that cannot evaporate and instead pools on the surface of the skin. The bumps may be red (miliaria rubra) or clear and filled with fluid (miliaria crystallina). Clothing may further inhibit sweat […]

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Psoriasis – Types, Causes, Symptoms and Treatment

Definition of Psoriasis Psoriasis i a common, chronic skin condition in which the dermis produces keratinocytes at an accelerated rate. This causes immature keratinocytes, which are still soft, to reach the epidermis (the outer layer of the skin). The excess keratinocytes form lesions, typically scaly plaques, that itch (pruritus) or hurt. The accelerated turnover of keratinocytes creates an […]

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Wart – Definition, Causes, Symptoms and Removal

Definition of Warts and Causes Wart is a growth, typically rough and raised, that appears on the skin. The human papillomavirus (HPV), which has numerous strains, causes common warts as well as variations including genital warts (a common sexually transmitted disease) and plantar warts which appear on the soles (plantar surfaces) of the feet. Because common warts are […]

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Acne – Definition, Treatment, Medication and Removal

Definition of Acne Acne is inflammation of the skin’s sebaceous structures, also called acne vulgaris, that results in eruptions on the skin surface commonly called pimples, whiteheads, and blackheads. Acne occurs when excessive sebum traps bacteria and skin cells, clogging the follicles. The clogged follicles provide an ideal incubator for the bacteria Propionibacterium acne, which is normally present on the […]

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Cradle Cap – Definition and Treatment

Definition of Cradle Cap and Treatment Cradle Cap is a form of dermatitis, also called infantile seborrheic dermatitis, in which the sebaceous structures of the skin oversecrete oils. The excessive sebaceous secretions trap loose, dead skin cells, forming crusts or scales. Cradle cap, as the name implies, affects young infants. Doctors believe the condition results from the surge […]

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Granuloma Telangiectaticum

Definition of Granuloma Telangiectaticum A noncancerous vascular tumor, also called a lobular capillary hemangioma or granuloma pyogenicum, made up of entangled capillaries. A granuloma telangiectaticum appears suddenly as a shiny red nodule that bleeds easily with bumping or irritation and may itch or hurt. Doctors typically remove these growths because of their tendency to bleed and to confirm the […]

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Nevus – Congenital Nevus – Lesion on the Skin

Definition of Nevus Nevus is a discolored lesion on the skin. Nevi are very common and may take various shapes and colors. Most nevi contain primarily melanocytes and may differ in texture from the surrounding skin. A nevus may be smooth, distinguishable only by its color, or rough and segmented. Some nevi contain coarse hair. The most common form of […]

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Purpura – Definition, Causes and Treatment

Definition of Purpura Smooth, moderately sized lesions, typically dark red to reddish purple, that result from bleeding under the surface of the skin. Purpura often look like small bruises and may occur anywhere on the body, including mucous membranes. The presence of purpura signals an underlying health condition resulting either from platelet deficiency, which delays coagulation […]

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