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pellagra
(Encyclopedia)pellagra pəlăgˈrə [key], deficiency disease due to a lack of niacin (nicotinic acid), one of the components of the B complex vitamins in the diet. Niacin is plentiful in yeast, organ meats, peanut...Zinsser, Hans
(Encyclopedia)Zinsser, Hans zĭnsˈər [key], 1878–1940, American bacteriologist, b. New York City, grad. Columbia (B.A., 1899; M.D., 1903). He was professor of bacteriology at Stanford (1911–13), Columbia (191...flour
(Encyclopedia)flour, finely ground, usually sifted, meal of grain, such as wheat, rye, corn, rice, or buckwheat. Flour is also made from potatoes, peas, beans, peanuts, etc. Usually it refers to the finely ground a...endoderm
(Encyclopedia)endoderm ĕnˈdədûrmˌ [key], in biology, inner layer of tissue formed in the gastrula stage of the developing embryo. At the end of the blastula stage, cells of the embryo are arranged in the form ...epithelium
(Encyclopedia)epithelium ĕpˌəthēˈlēəm [key], sheet of tissue that covers or lines the external and internal body surfaces. The epithelium is closely packed, has little intercellular material, and is lacking ...sake
(Encyclopedia)sake, alcoholic beverage made from rice by fermentation. Although sake is sometimes called rice wine, and can have a smooth body and be quite aromatic, it has a higher alcohol content and is produced ...mesoderm
(Encyclopedia)mesoderm, in biology, middle layer of tissue formed in the gastrula stage of the developing embryo. At the end of the blastula stage, cells of the embryo are arranged in the form of a hollow ball. Con...Vespucci, Amerigo
(Encyclopedia)Vespucci, Amerigo ämārēˈgō vāspo͞otˈchē [key], 1454–1512, Italian navigator in whose honor America was named, b. Florence. He entered the commercial service of the Medici and in 1492 moved ...Jiménez de Quesada, Gonzalo
(Encyclopedia)Jiménez de Quesada, Gonzalo gōnthäˈlō hēmāˈnĕth dā kāsäˈᵺä [key], c.1499–1579, Spanish conquistador in Colombia. Chief magistrate of Santa Marta, he was commissioned to explore the M...Rossetti, Christina Georgina
(Encyclopedia)Rossetti, Christina Georgina rōsĕtˈē [key], 1830–94, English poet; daughter of Gabriele Rossetti and sister of Dante Gabriel Rossetti. Publication of some of her poems in her brother William's m...Browse by Subject
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