| A | B |
| acne | skin disorder characterized by chronic inflammation of the sebaceous glands from retained secretions |
| bromhidrosis | foul-smelling perspiration, usually noticeable in the armpits or on the feet |
| collagen | fibrous protein that gives the skin form and strength |
| comedone | blackhead; worm-like mass of hardened sebum in a hair follicle |
| cyst | closed, abnormally developed sac, containing fluid, semifluid, or morbid matter, above or below the skin |
| dermatitus | inflammatory condition of the skin |
| dermatologist | physician engaged in the science of treating the skin, its structures, functions, and diseases |
| dermatology | medical branch of science that deals with the study of skin and its nature, structure, functions, diseases, and treatment |
| dermis | underlying or inner layer of the skin; also called the derma, corium, cutis, or true skin |
| eczema | inflammatory, painful itching disease of the skin, acute or chronic in nature, presenting many forms of dry or moist lesions |
| epidermis | outermost layer of the skin; also called cuticle or scarf skin |
| esthetician | specialist in the cleansing, preservation of health, and beautification of the skin and body; one who gives therapeutic facial treatments |
| herpes simplex | fever flister or cold sore; recurring viral infection |
| hyperhidrosis | excessive sweating, caused by heat or general body weakness |
| hypertrophy | abnormal growth of the skin |
| keratin | fiber protein that is the principal component of hair and nails |
| keratoma | acquired, superficial, thickened patch of epidermis commonly known as callus, caused by pressure or friction on the hands and feet |
| lesion | injury or damage that changes the structure of tissues or organs |
| melanin | tiny grains of pigment (coloring matter) deposited in the stratus germinativum of the epidermis and the papillary layers of the dermis |
| milia | small, whitish, pear-like masses in the epidermis due to retention of sebum; also called whiteheads |
| mole | small, brownish spot or blemish on the skin, ranging in color from pale tan to brown or bluish black |
| psoriasis | skin disease characterized by red patches, covered with white-silver scales usually found on the scalp, elbows, knees, chest, and lower back, rarely on the face |
| pustule | inflamed pimple containing pus |
| rosacea | chronic congestion appearing primarily on the cheeks and nose, chqracterized by redness, dilation of the blood vessels, and the formation of papules and pustules |
| scale | any thin plate of epidermal flakes, dry or oily, such as abnormal or excessive dandruff |
| scar or cicatrix | light-colored, slightly raised mark on the skin formed after an injury or lesion of the skin has healed |
| sebaceous glands | oil glands of the skin, connected to hair follicles |
| seborrhea | skin condition caused by an abnormal increase of secretion from the sebaceous glands |
| stratum corneum | outer layer of the epidermis |
| subcutaneous tissue | fatty layer found below the dermis that gives smoothness and contour to the body, contains fats for use as energy, and also acts as a protective cushion for the outer skin; also called adipose or subcutis tissue |
| sudoriferous glands | sweat glands of the skin |
| tactile corpuscles | small epidermal structures with nerve endings that are sensitive to touch and pressure |
| tan | change in pigmentation of skin caused by exposure to the sun or ultraviolet rays |
| tumor | a swelling; an abnormal cell mass resulting from excessive multiplication of cells, varying in size, shape, and color |
| verruca | technical term for wart; hypertrophy of the papillae and epidermis |
| vesicle | small blister or sac containing clear fluid, lying within or just beneath the epidermis |