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Lupercalia

(Encyclopedia)Lupercalia lo͞opərkālˈyə [key], ancient Roman festival held annually on Feb. 15. The ceremony of the festival was intended to secure fertility and keep out evil. Two male youths, clad in animal s...

pigmentation

(Encyclopedia)pigmentation, name for the coloring matter found in certain plant and animal cells and for the color produced thereby. Pigmentation occurs in nearly all living organisms. Almost all plants synthesize ...

impetigo

(Encyclopedia)impetigo ĭmpətīˈgō [key], contagious skin infection affecting mainly infants and children. The causative organisms are either hemolytic streptococci or staphylococci. The eruption consists of sma...

Schick test

(Encyclopedia)Schick test, diagnostic test designed to evaluate susceptibility to diphtheria. A small amount of diphtheria toxin is injected into the skin; the injection will produce an area of redness and swelling...

melanoma

(Encyclopedia)melanoma: see skin cancer.

transdermal patch

(Encyclopedia)transdermal patch: see skin patch. ...

dermatitis

(Encyclopedia)dermatitis dûrˌmətīˈtĭs [key], nonspecific irritation of the skin. The causative agent may be a bacterium, fungus, or parasite; it can also be a foreign substance, known as an allergen. Contact ...

banjo

(Encyclopedia)banjo, stringed musical instrument, with a body resembling a tambourine. The banjo consists of a hoop over which a skin membrane is stretched; it has a long, often fretted neck and four to nine string...

actinomycosis

(Encyclopedia)actinomycosis ăkˌtənōmīkōˈsĭs [key], chronic suppurative infection that occurs around the face and neck. The disease is characterized by the formation of abscesses, or pus-filled cavities, bel...

transdermal delivery system

(Encyclopedia)transdermal delivery system: see skin patch. ...