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Mathew, Theobald

(Encyclopedia) Mathew, Theobald, 1790–1856, Irish social worker and temperance leader, a Capuchin priest. Father Mathew spent many years working for the welfare and education of the poor. In 1838 he…

cowboys

(Encyclopedia) cowboys, in American history. 1 Tory marauders, adherents to the British cause in the American Revolution, who fought in the contested area of Westchester co., N.Y. Their opposite…

macular degeneration

(Encyclopedia) macular degeneration, eye disorder causing loss of central vision. The affected area, the macula, lies at the back of the retina and is the part that produces the sharpest vision. The…

baldness

(Encyclopedia) baldness, thinning or loss of hair as a result of illness, functional disorder, or hereditary disposition; also known as alopecia. Male pattern baldness, a genetic trait, is the most…

river blindness

(Encyclopedia) river blindness or onchocerciasis, disease caused by the parasitic nematode worm Onchocerca volvulus. The worm larvae are transmitted by the bites of blackflies (genus Simulium) that…

aspirin

(Encyclopedia) aspirin, acetyl derivative of salicylic acid (see salicylate) that is used to lower fever, relieve pain, reduce inflammation, and thin the blood. Common conditions treated with aspirin…

Fuller, Thomas

(Encyclopedia) Fuller, Thomas, 1608–61, English clergyman and author. He was an able preacher and a noted wit. He adhered to the royalist cause during the civil war and the Commonwealth and served…

Bolley, Henry Luke

(Encyclopedia) Bolley, Henry Luke, 1865–1956, American plant pathologist, b. Dearborn co., Ind. He is noted for his work on organisms causing diseases of crop plants (including the discovery of the…

hay fever

(Encyclopedia) hay fever, seasonal allergy causing inflammation of the mucous membranes of the nose and eyes. It is characterized by itching about the eyes and nose, sneezing, a profuse watery nasal…

anaphylaxis

(Encyclopedia) anaphylaxisanaphylaxisănˌəfəlăkˈsĭs [key], hypersensitive state that may develop after introduction of a foreign protein or other antigen into the body tissues. When an anaphylactic…