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COS CH08
| Term | Definition |
|---|---|
| Albinism | Congenital hypopigmentation |
| Allergic contact dermatitis | Abbreviated ACD; an allergy to an ingredient or a chemical |
| Anaerobic | Cannot survive in the presence of oxygen. |
| Anhidrosis | Deficiency in perspiration |
| 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 | Also known as Liver spots; condition characterized by hyperpigmentation on the skin in spots that are not elevated. |
| Conjunctivitis | Also known as pinkeye; common bacterial infection of the eyes; extremely contagious. |
| 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 |
| Cyst | Closed |
| Dermatitis | Inflammatory condition of the skin. |
| Dyschromias | Abnormal colorations of the skin that accompany many skin disorders and systemic disorders. |
| Eczema | An inflammatory |
| 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 | A crack in the skin that penetrates the dermis. Examples are severely cracked and/or chapped hands or lips. |
| Free radicals | Unstable molecules that cause biochemical aging |
| Herpes simplex | Recurring viral infection that often presents as a fever blister or cold sore. |
| Hyperhidrosis | Excessive sweating |
| Hyperpigmentation | Darker than normal pigmentation |
| Hypertrophy | Abnormal growth of the skin |
| Impetigo | Contagious bacterial skin infection characterized by weeping lesions. |
| 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 |
| Lentigines | Technical term for freckles; small yellow-colored 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 or tissues or organs. |
| Leukoderma | Skin disorder characterized by light abnormal patches (hypopigmentation); caused by a burn or congenital disease that destroys the pigment-producing cells. |
| Macule | Flat spot or discoloration on the skin |
| 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 |
| Milia | Benign |
| Miliaria rubra | Also known as prickly heat; an acute inflammatory disorder of the seat glands |
| Mole | Small |
| Nevus | Also known as birthmark; small or large malformation of the skin due to abnormal pigmentation or dilated capillaries. |
| Nodule | A solid bump larger than .4 inches (1 centimeter) that can be easily felt. |
| Noncomedogenic | Product that has been designed and proven not to clog follicles. |
| Primary lesions | Lesions that are a different color than the color of the skin |
| Psoriasis | Skin disease characterized by red patches covered with silver-while scales; usually found on the scalp |
| Retention hyperkeratosis | The hereditary tendency for acne-prone skin to retain dead cells in the follicle |
| Rosacea | Chronic condition that appears primarily on the cheeks and nose |
| Scale | Any thin dry or oily place of epidermal flakes. An example is abnormal or excessive dandruff. |
| Scar | Also known as cicatrix; a lightly raised mark on the skin formed after an injury or lesion of the skin has healed. |
| Sebaceous Cyst | A large protruding pocket-like lesion filled with sebum. Sebaceous cysts are frequently seen on the scalp and the back. They should be removed surgically by a dermatologist. |
| Seborrheic dermatitis | Skin condition caused by an inflammation of the sebaceous glands. It is often characterized by redness |
| Secondary skin lesions | Characterized by pil3es of material o the skin surface |
| Sensitization | Allergic reaction created by repeated exposure to a chemical or a substance. |
| Skin tag | A small brown-colored or flesh-colored outgrowth of the skin. |
| Squamous cell carcinoma | Type of skin cancer more serous than basal cell carcinoma; often characterized by scaly red papules or nodules. |
| Stain | Abnormal brown-colored or wine-colored skin discoloration with a circular and/or irregular shape. |
| Tan | Change in pigmentation of skin caused by exposure to the sun or ultraviolet light. |
| Telangiectasis | Distended or dilate surface blood vessels. |
| Tubercle | Abnormal |
| Tumor | An abnormal mass varying in size |
| Ulcer | Open lesion on the skin or mucous membrane of the body |
| Verruca | Also known as a wart- hypertrophy of the papillae and epidermis. |
| Vesicle | Small blister or sac containing clear fluid |
| Vitiligo | Hereditary condition that causes hypopigmented spots and splotches on the skin; may be related to thyroid conditions. |
| Wheal | Itchy |
| Acne | A skin disorder characterized by chronic inflammation of the sebaceous glands from retained secretions and bacteria known as propionibacterium acnes (P. acnes) |
| Cictrix | Lightly raised mark on the skin formed after an injury or lesion of the skin has healed. |
| Hypopigmentation | Absence of pigment |
Created by:
cvis
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