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babesiosis

(Encyclopedia)babesiosis bəbēˌbēōˈsĭs [key], tick-borne disease caused by a protozoan of the genus Babesia. Babesiosis most commonly affects domestic and wild animals and can be a serious problem in cattle, ...

angina pectoris

(Encyclopedia)angina pectoris ănjīˈnə pĕkˈtərĭs [key], condition characterized by chest pain that occurs when the muscles of the heart receive an insufficient supply of oxygen. This results when the arterie...

corns and calluses

(Encyclopedia)corns and calluses, thickenings of the outer layer of skin where there is irritation or constant pressure. Corns are cone-shaped with their points protruding into the dermis, or inner layer of skin. T...

Haber process

(Encyclopedia)Haber process häˈbər [key], commercial process for the synthesis of ammonia, NH3. Pure hydrogen and nitrogen gases are mixed in the appropriate proportion, heated to between 450℃ and 600℃, comp...

boiler

(Encyclopedia)boiler, device for generating steam. It consists of two principal parts: the furnace, which provides heat, usually by burning a fuel, and the boiler proper, a device in which the heat changes water in...

Harvey, William

(Encyclopedia)Harvey, William, 1578–1657, English physician considered by many to have laid the foundation of modern medicine, b. Folkestone, studied at Cambridge, M.D. Univ. of Padua, 1602. Returning to London, ...

angioplasty

(Encyclopedia)angioplasty ănˈjēōplăsˌtē [key], any surgical repair of a blood vessel, especially balloon angioplasty or percutaneous transluminal coronary angioplasty, a treatment of coronary artery disease....

Osler, Sir William

(Encyclopedia)Osler, Sir William ōˈslər [key], 1849–1919, Canadian physician, M.D. McGill Univ., 1872. Renowned as a physician and as a medical historian, he was also the most brilliant and influential teacher...

hydraulic machine

(Encyclopedia)CE5 Hydraulic pressure: In any hydraulic device the pressure exerted by one piston is transmitted throughout the fluid. Since pressure equals force divided by area, a small force (F1) exerted on a ...

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...