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parvovirus

(Encyclopedia)parvovirus pärˌvōvīˈrəs [key], any of several small DNA viruses that cause several diseases in animals, including humans. In humans, parvoviruses cause fifth disease, or erythema infectiosum, an...

Roehm, Ernst

(Encyclopedia)Roehm or Röhm, Ernst both: ĕrnst röm [key], 1887–1934, German National Socialist leader. An army officer in World War I, he met (1919) Adolf Hitler, whose political career he helped to launch. Ro...

Booth, William

(Encyclopedia)Booth, William, 1829–1912, English religious leader, founder and first general of the Salvation Army, b. Nottingham. Originally a local preacher for the Wesleyan Methodists, he went (1849) to London...

varicose vein

(Encyclopedia)varicose vein, superficial vessel that is abnormally lengthened, twisted, or dilated, seen most often on the legs and thighs. Varicose veins develop spontaneously, and are usually attributed to a here...

vegetarianism

(Encyclopedia)vegetarianism, theory and practice of eating only fruits and vegetables, thus excluding animal flesh, fish, or fowl and often butter, eggs, and milk. In a strict vegetarian, or vegan, diet (i.e., one ...

thrombosis

(Encyclopedia)thrombosis thrŏmbōˈsĭs [key], obstruction of an artery or vein by a blood clot (thrombus). Arterial thrombosis is generally more serious because the supply of oxygen and nutrition to an area of th...

tissue

(Encyclopedia)tissue, in biology, aggregation of cells that are similar in form and function and the intercellular substances produced by them. The fundamental tissues in animals are epithelial, nerve, connective, ...

sore throat, streptococcal

(Encyclopedia)sore throat, streptococcal strĕpˌtəkŏkˈəl [key], infection and inflammation of the pharynx caused by certain streptococcal bacteria. These organisms are known as hemolytic streptococci because t...

saturated fat

(Encyclopedia)saturated fat, any solid fat that is an ester of glycerol and a saturated fatty acid. The molecules of a saturated fat have only single bonds between carbon atoms; if double bonds are present in the f...

sausage

(Encyclopedia)sausage, food consisting of finely chopped meat mixed with seasonings and, often, other ingredients, all encased in a thin membrane. Although sausages were made by the ancient Greeks and Romans, they ...