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bacillary dysentery n.
Any of various severe infections of the colon caused by microorganisms, especially of the genus Shigella, that result in abdominal cramping, fever, and passage of blood-stained stools or of material consisting of blood and mucus.
infection of the gastrointestinal tract by bacteria of the genus Shigella. The illness produces cramplike abdominal pain as well as diarrhea consisting of either watery stools or scant stools containing mucus and blood