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heaves

(Encyclopedia)heaves, chronic pulmonary emphysema in horses. Heaves is characterized by the disruption of normal lung tissue with resultant loss of the lung's elastic recoil. A forced expiratory effort is needed to...

spavin

(Encyclopedia)spavin spăvˈĭn [key], disease of horses affecting the hock joint. There are two types—bog spavin, in which the hock joint is distended as a result of the collection of synovial fluid; and bone sp...

arrhythmia

(Encyclopedia)arrhythmia ārĭᵺˈmēə [key], disturbance in the rate or rhythm of the heartbeat. Various arrhythmias can be symptoms of serious heart disorders; however, they are usually of no medical significan...

arteriosclerosis

(Encyclopedia)arteriosclerosis ärtĭrˌēōsklərōˈsis [key], general term for a condition characterized by thickening, hardening, and loss of elasticity of the walls of the blood vessels. These changes are freq...

lymphoma

(Encyclopedia)lymphoma, a cancer of the tissue of the lymphatic system. There are two categories of lymphomas. One type is termed Hodgkin's disease, the other, non-Hodgkin's lymphoma (see lymphoma, non-Hodgkin's). ...

Nashoba

(Encyclopedia)Nashoba năshōˈbə [key], former community, Shelby co., SW Tenn., on the Wolf River just E of Memphis. It was established (1825) by Frances Wright and others, influenced by the model of New Harmony,...

Leloir, Luis Federico

(Encyclopedia)Leloir, Luis Federico, 1906–87, Argentine biochemist, b. France, M.D. Univ. of Buenos Aires, 1932, Ph.D. Leloir was a researcher at the Univ. of Buenos Aires from 1932 to 1943. He then taught briefl...

Vineland

(Encyclopedia)Vineland, city (1990 pop. 54,780), Cumberland co., S N.J., in a poultry and fruit area; settled 1861, inc. 1952 when combined with Landis township. The growing city has cooperative markets, large glas...

Shafter, William Rufus

(Encyclopedia)Shafter, William Rufus, 1835–1906, American general, b. Galesburg, Mich. He served in the Union army during the Civil War and in 1867 joined the regular army, rising to become brigadier general (189...

Cohn, Ferdinand

(Encyclopedia)Cohn, Ferdinand fĕrˈdĕnänt kōn [key], 1828–98, German botanist. He is considered a founder of the science of bacteriology. From his early studies of microscopic life he developed theories of th...