Croup

{kroop) [AS., kropan, to cry aloud]. Membranous croup; pseudo membranous croup; true croup; a disease of the larynx and trachea of children, prominent symptoms of which are a harsh ” croupy ” cough, and difficulty in breathing; it is often accompanied by the development of a membranous deposit or exudate upon the parts. It is usually caused by the diphtheria-bacillus, sometimes by other microorganisms. C, Catarrhal, a simple non-contagious inflammation of the larynx accompanied by the formation of membrane. C, False, a spasm of the muscles of the larynx with a slight inflammation. C, Spasmodic. See C, False. 215