Medical Dictionary Definitions A-Z List
Medical Dictionary Definitions A - Z - «D»:
Dermatofibroma: A common type of benign skin tumor that is small, slow-growing, typically firm, red-to-brown and most often on the legs. Also called a fibrous histiocytoma. They can grow up to about 1 cm (less than a half inch) in diameter. A dermatofibroma consists of a proliferation of scar-like t...
Dermatofibrosarcoma protuberans: (DFSP) A type of skin tumor that begins as a hard nodule and grows slowly. DFSP is usually found in the dermis of the limbs or trunk of the body. (The dermis is the inner layer of the two main layers of tissue that make up the skin.) DFSP can grow and invade surrou...
Dermatoglyphic: Pertaining to dermatoglyphics -- the study of dermal ridges on the fingers, palms, toes, and soles....
Dermatoglyphics: The study of the patterns of ridges on the skin of the fingers, palms, toes, and soles. Dermatoglyphics are of interest in anthropology, criminology, and medicine, including dysmorphology (the study of congenital malformations) and the study of chromosome abnormalities such as triso...
Dermatographism: A common form of hives that follows the repeated stroking, rubbing or scratching of the skin, or when tight-fitting clothes rub the skin. Dermatographism occurs in about 5% of the population....
Dermatologic: Having to do with the skin....
Dermatologist: A doctor who specializes in the diagnosis and
treatment of skin problems. ...
Dermatology: 1. The branch of medicine concerned with the diagnosis, treatment, and prevention of diseases of the skin, hair, nails, oral cavity and genitals.
2. Sometimes also, cosmetic care and enhancement.
Dermatology is literally the study of the skin....
Dermatome: (1) A localized area of skin that is has its sensation
via a single nerve from a single nerve root of the spinal cord. Shingles (herpes zoster)
typically affects one or several isolated dermatomes. (2) A dermatome is also a cutting
instrument used for skin grafting or slicing thin pieces ...
Dermatomyositis: A chronic inflammatory disease of skin and muscle which is associated with patches of slightly raised reddish or scaly rash. The rash can be on the bridge of the nose, around the eyes, or on sun-exposed areas of the neck and chest. Classically, however, it is over the knuckles. Whe...
Dermatopathy: Any disease of
the skin. Synonymous with dermopathy....
Dermatophytic onychomycosis: Ringworm of the nail, the
most common fungus infection of the nails (onychomycosis). Onychomycosis makes the nails
look white and opaque, thickened, and brittle. Older women (perhaps because estrogen
deficiency may increase the risk of infection), and men and women with ...
Dermatoscopy: A noninvasive diagnostic technique for the early diagnosis of melanoma and the evaluation of other pigmented and non-pigmented lesions on the skin that are not as well seen with the unaided eye. Also known as surface microscopy, dermoscopy, and epiluminescence microscopy....
Dermicidin: A potent anti-infective agent that is a natural component of sweat.
The first antimicrobial agent found that is produced by cells in the skin, dermicidin is reportedly active against many different types of bacteria (including Escherichia coli (E. coli), Enterococcus faecalis, and Staph...
Dermis: The lower or inner layer of the two main
layers of cells that make up the skin.The dermis contains blood vessels, lymph vessels, hair follicles, and
glands that produce sweat, which helps regulate body
temperature, and sebum, an oily substance that helps keep the skin from drying out. Swe...