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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 ...

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...

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...

alcoholism

(Encyclopedia)alcoholism, 04/00 disease characterized by impaired control over the consumption of alcoholic beverages. Alcoholism is a serious problem worldwide; in the United States the wide availability of alcoho...

hemorrhagic fever

(Encyclopedia)hemorrhagic fever hĕmˌərăjˈĭk [key], any of a group of viral diseases characterized by sudden onset, muscle and joint pain, fever, bleeding, and shock from loss of blood. Bleeding occurs in the ...

dysentery

(Encyclopedia)dysentery dĭsˈəntĕrˌē [key], inflammation of the intestine characterized by the frequent passage of feces, usually with blood and mucus. The two most common causes of dysentery are infection wit...

death

(Encyclopedia)death, cessation of all life (metabolic) processes. Death may involve the organism as a whole (somatic death) or may be confined to cells and tissues within the organism. Causes of death in human bein...

Eucharist

(Encyclopedia)Eucharist yo͞oˈkərĭst [key] [Gr.,=thanksgiving], Christian sacrament that repeats the action of Jesus at his last supper with his disciples, when he gave them bread, saying, “This is my body,”...

Nemertinea

(Encyclopedia)CE5 A. Ribbon worm, representative of the phylum Nemertinea B. Internal anatomy of a ribbon worm Nemertinea nĕmərtĭnˈēə [key], phylum of elongated, often flattened, marine Worms, sometimes c...