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Skin Disorders
Cosmetology
| Term | Definition |
|---|---|
| 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
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