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iron lung

(Encyclopedia)iron lung, device used to maintain artificial respiration over an extended period of time. Before the successful vaccination program against poliomyelitis, it was used mostly in treatment of that dise...

pneumothorax

(Encyclopedia)pneumothorax no͞omōthôrˈăks [key], collapse of a lung with escape of air into the pleural cavity between the lung and the chest wall. The cause may be traumatic (e.g., gunshot or stab wound), spo...

preventive medicine

(Encyclopedia)preventive medicine, branch of medicine dealing with the prevention of disease and the maintenance of good health practices. Until recently preventive medicine was largely the domain of the U.S. Publi...

Rice, Charles Moen

(Encyclopedia)Rice, Charles Moen, 1952–, American virologist, b. Sacramento, Calif., Ph.D. California Institute of Technology, 1981. Rice was a researcher at the Washington Univ. School of Medicine from 1986 to 2...

cataract

(Encyclopedia)cataract, in medicine, opacity of the lens of the eye, which impairs vision. In the young, cataracts are generally congenital or hereditary; later they are usually the result of degenerative changes b...

bronchitis

(Encyclopedia)bronchitis brŏnkīˈtĭs [key], inflammation of the mucous membrane of the bronchial tubes. It can be caused by viral or bacterial infections or by allergic reactions to irritants such as tobacco smo...

leafhopper

(Encyclopedia)leafhopper, common name for small, wedge-shaped leaping insects, cosmopolitan in distribution, belonging to the family Cicadellidae, which comprises some 5,500 species of insects. Some are brightly co...

erythroblastosis fetalis

(Encyclopedia)erythroblastosis fetalis ərĭthˌrəblăstōˈsĭs [key], hemolytic disease of a newborn infant caused by blood group incompatibility between mother and child. Although the Rh factor is responsible f...

cholera

(Encyclopedia)cholera kŏlˈərə [key] or Asiatic cholera, acute infectious disease caused by strains of the bacterium Vibrio cholerae that have been infected by bacteriophages. The bacteria, which are found in fe...

Pott, Percivall

(Encyclopedia)Pott, Percivall, 1714–88, English surgeon at St. Bartholomew's Hospital. He described a fracture of the ankle subsequently known by his name and a deformity of the spine (Pott's disease) caused by t...