Epidermal
Epidermal: Pertaining to the epidermis, the outermost layer of the skin.
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- Epidermis
Epidermis: The upper or outer layer of the two main layers of cells that make up the skin. The epidermis is mostly made up of flat, scale-like cells called squamous cells. Under the squamous cells are round cells called basal cells. The deepest part of the epidermis also contains melanocytes. These cells produce melanin, which […]
- Epidermoid carcinoma
Epidermoid carcinoma: A type of lung cancer in which the cells are flat and look like fish scales. Also called squamous cell carcinoma.
- Epidermolysis bullosa (Butterfly Skin) Medical Definition
Epidermolysis bullosa: A term that includes three types of rare, inherited blistering skin diseases. The skin is so fragile in people with epidermolysis bullosa that even minor rubbing may cause blistering, and everyday activities can be excruciatingly painful. The 3 major types of epidermolysis bullosa are epidermolysis bullosa simplex, junctional epidermolysis bullosa, and dystrophic epidermolysis […]
- Epidermolysis bullosa simplex
Epidermolysis bullosa simplex: A blistering skin condition usually inherited as an autosomal dominant disease. The faulty genes are those that provide instructions for producing keratin, a fibrous protein in the top layer of skin. As a result, the skin splits in the epidermis, producing a blister. Epidermolysis bullosa simplex (EBS) usually begins with blistering that […]
- Epididymis
Epididymis: A structure within the scrotum that is attached to the back side of the testis. The epididymis is a coiled segment of the spermatic ducts that stores spermatozoa while they mature and then transports the spermatozoa between the testis and the tube connecting the testes with the urethra (vas deferens).