Canadian Medical Guide > Organisms > Bacteria > Gram-Negative Bacteria > Gram-Negative Facultatively Anaerobic Rods > Enterobacteriaceae > Shigella Terms and Definitions

Shigella

Medical Definition:	A genus of gram-negative, facultatively anaerobic, rod-shaped bacteria that ferments sugar without gas production. Its organisms are intestinal pathogens of man and other primates and cause bacillary dysentery (DYSENTERY, BACILLARY).
Guide Notes:	GEN; prefer specifics; infection = DYSENTERY, BACILLARY & specify species if pertinent (IM)

Shigella Categories.

	Shigella boydii - One of the SHIGELLA species that produces bacillary dysentery (DYSENTERY, BACILLARY).
	Shigella dysenteriae - A species of gram-negative, facultatively anaerobic, rod-shaped bacteria that is extremely pathogenic and causes severe dysentery. Infection with this organism often leads to ulceration of the intestinal epithelium.
	Shigella flexneri - A bacterium which is one of the etiologic agents of bacillary dysentery (DYSENTERY, BACILLARY) and sometimes of infantile gastroenteritis.
	Shigella sonnei - A lactose-fermenting bacterium causing dysentery.

Shigella Medical Definitions and Terms

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