Pertaining to fat.
Inherited absence of pigment in the skin, hair, and eyes.
Individual lacking normal body pigment (melanin).
An idiopathic condition in which hair falls out in patches.
Absence of sweating.
Apocrine sweat gland
One of the large dermal exocrine glands located in the axilla and genital areas. It secretes sweat that, in action with bacteria, is responsible for human body odor.
Inflammation of skin (rash and intense itching) that tends to occur in patients with a family history of allergic reactions.
Lower layer of cells in the epidermis.
Injury to tissues caused by heat contact.
Intense burning pain, often resulting from injury to a peripheral nerve.
Protein found in skin and connective tissues.
Comedo (pl. comedones)
A sebum plug that partially blocks the pore; a blackhead. If the pore becomes completely blocked, a whitehead forms.
Small band of skin at the base of a nail.
Treatment for removal of superficial scars or wrinkles on the skin using sandpaper-like material.
Specialist in the study (diagnosis and treatment) of skin disorders.
Fungal infection of the skin.
Surgical repair of the skin.
Middle layer of the skin.
Eccrine sweat gland
Water-producing exocrine gland in the skin.
Use of a needle or snare heated by electric current to destroy or burn tissue (removal of warts, polyps).
Outer layer of the skin.
Loosening of outer layer of the skin with formation of large blisters (bullae).
Layer of skin cells covering the outer and inner surfaces of the body.
Condition of redness of the skin.
Pertaining to redness of the skin.
Tubular sac that holds the hair fiber.
Hereditary condition in which the skin resembles fish scales and is dry, rough, and scaly.
Skin and its accessory organs (hair, nails, sebaceous and sweat glands).
Hard protein found in hair, nails, and the epidermis layer of skin.
Excessive development of hard, keratinized tissue on the skin.
Areas of skin that lose their pigment and become white; vitiligo.
White plaques on mucous membranes and surfaces of the body.
Benign tumor of fatty tissue.
Removal of adipose (fatty) tissue with a suction pump device.
Semicircular white arch near the root of the nail.
Black pigment produced by melanocytes in the basal layer of the epidermis.
Cell in the basal layer of the epidermis that produces melanin.
Any disease caused by a fungus.
Fungal infection of a nail.
Separation of the nail plate from the nail bed in fungal infections or after trauma.
Inflammation and swelling of the skin folds around a nail.
Soft tissue surrounding the nail border.
Pertaining to hair follicles and sebaceous glands.
Skin disease with formation of pus.
Plastic surgery to remove wrinkles and other signs of aging.
Oil gland in the dermis layer of the skin.
Condition marked by excessive secretion from sebaceous glands.
Inflammation of the skin with excessive secretion from sebaceous glands.
Oily secretion from sebaceous glands in the skin.
Flat, scale-like layer of cells in the epidermis or outer layer of the skin.
Collection of sebum in a cyst or sac-like formation.
Arranged in layers.
Stratum (pl. strata)
Outermost layer of the epidermis, consisting of flattened, keratinized cells.
Pertaining to the third layer of the skin, under the epidermis and dermis (cutaneous layers). The subcutaneous layer contains fatty tissue.
Pertaining to under a nail.
Fungal infection of hair, especially in the area under the arm (axilla).
Soft, yellowish, round nodule found on the eyelids; xanthelasma.
A cavity containing pus surrounded by inflamed tissue; usually the result of localized infection.
Chronic papular and pustular eruption of the skin with increased production of sebum.
Thickened area of the epidermis associated with aging and skin damage due to sun exposure.
Basal cell carcinoma
Skin cancer arising from cells in the basal layer of the epidermis.
Bulla (pl. bullae)
Hard, thickened area of skin occurring in areas of the body exposed to friction or pressure.
Diffuse, acute inflammatory infection of the skin marked by local heat, redness, pain and swelling.
Collection on the skin of dried sebum and cellular debris; scab.
Scraping of material from the skin or from the wall of a cavity.
Thick-walled, closed sac or pouch containing fluid or semisolid material.
Inflammation, sore, or ulcer in the skin over a bony part of the body; pressure ulcer; bedsore.
Numerous abnormal moles with irregular borders, indistinct margins, and mixed coloration; often precursors of malignant melanomas.
Ecchymosis (pl. ecchymoses)
Bleeding into the skin; bruise.
Chronic dermatitis of unknown etiology, marked by redness, blisters, scales, and scabs.
Destruction of tissue by burning with an electric spark.
Wearing away or loss of epidermis.
Exanthematous viral disease
Rash (exanthem) of skin due to viral infection; measles (rubeola) and chicken pox (varicella) are examples.
Groove or crack-like sore.
Scrapings from skin lesions are sent to a laboratory for culture and microscopic examination for evidence of fungal growth.
Death of tissue associated with loss of blood supply.
Inflammatory bacterial skin disease characterized by vesicles, pustules, and crusted-over lesions.
Malignant tumor of skin and blood vessels; often associated with AIDS. Dark blue-purple patches form on the skin.
Enlarged scar on the skin.
Pigmented spot on the skin; freckle.
Cancerous skin tumor often arising in pre-existing moles (nevi).
Microscopically controlled excision of skin cancers.
Nevus (pl. nevi)
Mole (pigmented lesion of the skin).
Solid, round or oval, elevated skin lesion more than 1 cm in diameter.
Small, solid elevation of the skin, less than 1 cm in diameter.
Petechia (pl. petechiae)
Small, pinpoint hemorrhages in the skin.
Sac of hair in the sacral region (above the cleft in the buttocks).
Mushroom-like benign growth extending on a stalk from the surface of a mucous membrane.
Chronic, recurrent dermatosis characterized by scaly, dull red or pink patches covered by silvery gray scales.
Bleeding into the skin; ecchymoses and petechiae.
Forming or containing pus.
Small elevation of the skin containing pus.
Exanthemous viral disease; German measles.
Exanthemous viral disease; measles.
Contagious, parasitic infection of the skin with intense pruritus (itching).
Chronic and progressive disease of the skin with hardening and shrinking of connective tissue.
Sac-like cavity filled with a collection of yellowish, cheesy sebum and epithelial debris.
Procedure to remove a suspected malignant lesion and send it to pathology laboratory for microscopic examination.
Reaction of the body to a substance by observing the results of injecting the substance intradermally or applying it topically to the skin.
Squamous cell carcinoma
Skin cancer that develops from squamous epithelium.
Systemic lupus erythematosus
Chronic autoimmune inflammatory disease of collagen in the skin, of joints, and of internal organs.
Fungal infection of the skin; tinea corporis (ringworm) and tinea pedis (athlete's foot) are examples.
Open sore on the skin or mucous membranes of the body.
Acute allergic reaction in which red, round, elevated swollen areas called wheals appear on the skin. Pruritus (itching) may be intense.
Exanthamous viral disease marked by itchy red rash that develops into blisters and pustules and then scabs; chicken pox.
Verruca (pl. verrucae)
Small benign growth (wart) in the skin; caused by a virus.
Small blister, containing clear fluid, on the skin.
Patches of white, unpigmented skin surrounded by areas of normal skin; leukoderma.
Round elevation in the skin with a pale, whitish area surrounded by redness; hives.