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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.…

angioplasty

(Encyclopedia) angioplastyangioplastyănˈjēōplăsˌtē [key], any surgical repair of a blood vessel, especially balloon angioplasty or percutaneous transluminal coronary angioplasty, a treatment of…

Osler, Sir William

(Encyclopedia) Osler, Sir WilliamOsler, Sir Williamōˈslər [key], 1849–1919, Canadian physician, M.D. McGill Univ., 1872. Renowned as a physician and as a medical historian, he was also the most…

edema

(Encyclopedia) edemaedemaĭdēˈmə [key], abnormal accumulation of fluid in the body tissues or in the body cavities causing swelling or distention of the affected parts. Edema of the ankles and lower…

hookworm

(Encyclopedia) hookworm, any of a number of bloodsucking nematodes in the phylum Nematoda, order Strongiloidae that live as parasites in humans and other mammals and attach themselves to the host's…

beta-blocker

(Encyclopedia) beta-blocker or beta-adrenergic blocking agentbeta-adrenergic blocking agentbāˈtə ădˌrənûrˈjĭk [key], drug that reduces the symptoms connected with hypertension, cardiac arrhythmias,…

centrifuge

(Encyclopedia) centrifugecentrifugesĕnˈtrəfy&oomacr;j [key], device using centrifugal force to separate two or more substances of different density, e.g., two liquids or a liquid and a solid. The…

nitrogen mustard

(Encyclopedia) nitrogen mustard, any of various poisonous compounds originally developed for military use (see poison gas). Like mustard gas and lewisite, it is a vesicant (blistering agent). In the…

antidiuretic hormone

(Encyclopedia) antidiuretic hormoneantidiuretic hormoneănˌtēdīy&oomacr;rĕtˈĭk [key], polypeptide hormone secreted by the posterior pituitary gland. Its principal action is to regulate the amount…

hernia

(Encyclopedia) hernia, protrusion of an internal organ or part of an organ through the wall of a body cavity. The hernia is enclosed by a sac formed by the lining of the cavity. It results from a…