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Schleicher, Kurt von

(Encyclopedia)Schleicher, Kurt von, 1882–1934, German general. A leading Reichswehr (army) figure after World War I, Schleicher wielded great power in the years before Adolf Hitler came to power (1933). He was wa...

neoplasm

(Encyclopedia)neoplasm or tumor, tissue composed of cells that grow in an abnormal way. Normal tissue is growth-limited, i.e., cell reproduction is equal to cell death. Feedback controls limit cell division after a...

lungs

(Encyclopedia)lungs, elastic organs used for breathing in vertebrate animals, excluding most fish, which use gills, and a few amphibian species that respire through the skin. The word is sometimes applied to the re...

lamprey

(Encyclopedia)lamprey, name for several primitive marine and freshwater jawless fishes of the order Petromyzontiformes. As in the other jawless fish, the hagfish, the adult lamprey retains the notochord, the suppor...

diabetes

(Encyclopedia)diabetes or diabetes mellitus məlīˈtəs [key], chronic disorder of glucose (sugar) metabolism caused by inadequate production or use of insulin, a hormone produced in specialized cells (beta cells ...

du Plessix Gray, Francine

(Encyclopedia)du Plessix Gray, Francine, 1930–2019, French-American writer, b. Warsaw, studied Bryn Mawr, Black Mountain College, B.A. Barnard, 1952. She worked first as a writer and editor for radio and magazine...

delirium tremens

(Encyclopedia)delirium tremens trēˈmənz, trĕmˈənz [key], hallucinatory episodes that may occur during withdrawal from chronic alcoholism, popularly known as the DTs. An episode of delirium tremens is usually ...

Collot d'Herbois, Jean Marie

(Encyclopedia)Collot d'Herbois, Jean Marie zhäN märēˈ kōlōˈ dĕrbwäˈ [key], 1750–96, French revolutionary, originally an actor and playwright. Although a member of his Jacobin club, he favored a constitu...

coagulation

(Encyclopedia)coagulation kōăgˌyo͞olāˈshən [key], the collecting into a mass of minute particles of a solid dispersed throughout a liquid (a sol), usually followed by the precipitation or separation of the s...

Hunter, John

(Encyclopedia)Hunter, John, 1728–93, Scottish anatomist and surgeon, studied under his brother, William Hunter. A pioneer in comparative anatomy and morphology who is sometimes called the father of modern surgery...