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erythema
(Encyclopedia)erythema ĕrˌəthēˈmə [key], more or less diffuse redness of the skin due to concentration of an abnormally large amount of blood within the small vessels of the skin (hyperemia), as in burns. Ery...Doctors Without Borders
(Encyclopedia)Doctors Without Borders, Fr. Médecins Sans Frontières (MSF), international organization that provides emergency medical assistance to people suffering from a natural or societal disaster, such as an...tissue culture
(Encyclopedia)tissue culture, the propagation of plants through the placement of small amounts of undifferentiated tissue or single cells in an artificial environment. The tissue is placed in a nutrient medium that...tarantella
(Encyclopedia)tarantella târˈəntĕlˈə [key], Neapolitan folk dance that first appeared in Taranto, Italy, in the 17th cent. It had rapid 6–8 meter with an increasing tempo and was thought to cure the bite of...spavin
(Encyclopedia)spavin spăvˈĭn [key], disease of horses affecting the hock joint. There are two types—bog spavin, in which the hock joint is distended as a result of the collection of synovial fluid; and bone sp...arteriosclerosis
(Encyclopedia)arteriosclerosis ärtĭrˌēōsklərōˈsis [key], general term for a condition characterized by thickening, hardening, and loss of elasticity of the walls of the blood vessels. These changes are freq...arrhythmia
(Encyclopedia)arrhythmia ārĭᵺˈmēə [key], disturbance in the rate or rhythm of the heartbeat. Various arrhythmias can be symptoms of serious heart disorders; however, they are usually of no medical significan...Cohn, Ferdinand
(Encyclopedia)Cohn, Ferdinand fĕrˈdĕnänt kōn [key], 1828–98, German botanist. He is considered a founder of the science of bacteriology. From his early studies of microscopic life he developed theories of th...abracadabra
(Encyclopedia)abracadabra ăbˌrəkədăbˈrə [key], magical formula used by the Gnostics (see Gnosticism) to invoke the aid of benevolent spirits to ward off disease and affliction. It is supposed to be derived f...Hartford Foundation
(Encyclopedia)Hartford Foundation, fund established (1929) by retail food merchants John A. Hartford (1872–1951) and George L. Hartford (1864–1957) of the Great Atlantic and Pacific Tea Company (A&P) as a p...Browse by Subject
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