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Skin Disorders


Albinism The congenital absence of pigmentation in the eyes and skin and hair.
Allergic Contact Dermatitis (ACD) an allergy to an igredient or a chemical usually caused by repeated skin contact with the chemical.
Anaerobic Cannot survive in the presence of oxygen.
Anhidrosis Deficiency in perspiration, often a result of fever or certain skin diseases.
Basal Cell Carcinoma Most common and least severe type of skin cancer; often characterized by light or pearly nodules.
Bromhidrosis Foul-smelling perspiration
Bulla Large blister containing a watery fluid; similar to a vesicle but larger.
Chloasma Condition characterized by increased pigmentation on the skin in spots that are not elevated.
Closed Comedo A comedo below the skin surface, with a white center (whitehead).
Conjunctivitis An inflammation of the conjunctiva that is usually caused by an infection or allergy; also known as pinkeye.
Contact Dermatitis An inflammation of the skin caused by having contact with certain chemicals or substances; many of these substances are used in cosmetology.
Crust Dead cells that form over a wound or blemish while it is healing; an accumulation of sebum and pus, sometimes mixed with epidermal material.
Cyst Closed, abnormally developed sac containing fluid, semifluid, or morbid matter, above or below the skin.
Dermatitis Inflammatory condition of the skin.
Dyschromias Abnormal colorations of the skin that accompany many skin disorders and systemic disorders.
Eczema Noninfectious, inflammatory skin disease characterized by redness, blisters, scabs, and itching.
Excoriation Skin sore or abrasion produced by scratching or scraping.
Extrinsic Factors Primarily environmental factors that contribute to aging and the appearance of aging.
Fissure Crack in the skin that penetrates the dermis, such as chapped hands or lips.
Free Radicals Unstable molecules that cause biochemical aging, especially wrinkling and sagging to the skin.
Herpes Simplex Recurring viral infection that often presents as a fever blister or cold sore.
Hyperhidrosis Excessive sweating, caused by heat or general body weakness.
Hyperpigmentation Darker than normal pigmentation, appearing as dark splotches.
Hypertrophy Abnormal growth of the skin.
Hypopigmentation Absence of pigment, resulting in light or white splotches.
Impetigo Highly contagious, bacterial skin inflammation marked by pustules that rupture and become crusted around mouth and nose.
Intrinsic Factors Skin aging factors over which we have little control.
Irritant Contact Dermatitis Abbreviated ICD; occurs when irritating substances temporarily damage the epidermis.
Keloid Thick scar resulting from excessive growth of fibrous tissue.
Keratoma Acquired, superficial, thickened patch of epidermis commonly known as callus, caused by pressure or friction on the hands and feet.
Lentigines Technical term for freckles. Small yellow- to brown-colored spots on skin exposed to sunlight and air.
Lesion Mark on the skin. May indicate an injury or damage that changes the structure of tissues or organs.
Leukoderma Skin disorder characterized by light abnormal patches; caused by a burn or congenital disease that destroys the pigment
Macule Flat spot or discoloration on the skin, such as a freckle or a red spot left after a pimple has healed.
Malignant Melanoma Most serious form of skin cancer; often characterized by black or dark brown patches on the skin that may appear uneven in texture, jagged, or raised.
Milia Benign, keratin-filled cysts that can appear just under the epidermis and have no visible opening.
Miliaria Rubra Prickly heat; acute inflammatory disorder of the sweat glands resulting in the eruption of red vesicles and burning, itching skin from excessive heat exposure.
Mole Small, brownish spot or blemish on the skin, ranging in color from pale tan to brown or bluish black.
Nevus Birthmark. A circumscribed malformation of skin especially if colored by hyperpigmentation or increased vascularity.
Nodule A solid mass greater that 1 cm, which extends deeper into the epidermis.
Noncomedogenic Product that has been designed and proven not to clog the follicles.
Primary Lesions Lesions that are a different color than the color of the skin, and/or lesions that are raised above the surface of the skin.
Psoriasis Skin disease characterized by red patches, covered with silver-white scales usually found on the scalp, elbows, knees, chest, and lower back, but rarely on the face.
Retention Hyperkeratosis The hereditary tendency for acne-prone skin to retain dead cells in the follicle, forming an obstruction that clogs follicles and exacerbates inflammatory acne lesions such as papules and pustules.
Rosacea A chronic condition of unknown cause that produces redness, tiny pimples, and broken blood vessels.
Scale A thin flake of dead epidermis shed from the surface of the skin.
Scar A mark on the skin that is left after a cut or other wound has healed.
Sebaceous Cyst A large protruding pocket-like lesion filled with sebum; frequently seen on the scalp and on the back; should be removed surgically by a dermatologist.
Seborrheic Dermatitis Skin condition caused by an inflammation of the sebaceous glands. Often characterized by inflammatio, dry or oily scaling, or crusting and/or itchiness.
Secondary Skin Lesions Characterized by piles of material on the skin surface such as a crust or scab or depressions in the skin surface such as an ulcer.
Sensitization Allergic reaction created by repeated exposure to a chemical or a substance.
Skin Tag A small brown or flesh-colored outgrowth of the skin.
Squamous Cell Carcinoma Type of skin cancer more serious than basal cell carcinoma; often characterized by scaly red papules or nodules.
Stain Abnormal brown or wine-colored skin discoloration with a circular and irregular shape.
Tan Change in pigmentation of skin caused by exposure to the sun or ultraviolet rays.
Telangiectasis Dilated superficial blood vessels.
Tubercle Abnormal rounded, solid lump above, within, or under the skin; larger than a papule.
Tumor A mass of abnormal cells that develops when cancerous cells divide and grow uncontrollably.
Ulcer Open lesion on the skin or mucous membrane of the body, accompanied by pus and loss of skin depth.
Verruca Commonly called warts; a benign growth caused by a virus. Has a rough surface that is removed by chemicals and/or laser therapy.
Vesicle Small blister or sac containing clear fluid, lying within or just beneath the epidermis.
Vitiligo Hereditary condition that causes hypopigmented spots and splotches on the skin may be related to thyroid conditions.
Wheal Itchy, swollen lesion that lasts only a few hours; caused by a blow, the bite of an insect, urticaria, or the sting of a nettle.
Created by: samkohlenberg