noun \shi-ˈge-lə\
plural shi·gel·lae\-ˈge-(ˌ)lē, -(ˌ)lī\ also shi·gellas

Definition of SHIGELLA

:  any of a genus (Shigella) of nonmotile rod-shaped bacteria that cause dysenteries in animals and especially humans

Origin of SHIGELLA

New Latin, from Kiyoshi Shiga †1957 Japanese bacteriologist
First Known Use: 1937


noun \shi-ˈgel-ə\   (Medical Dictionary)

Medical Definition of SHIGELLA

capitalized : a genus of nonmotile aerobic bacteria of the family Enterobacteriaceae that form acid but no gas on many carbohydrates and that cause dysenteries in animals and especially humans
plural shi·gel·lae \-ˌē\ also shi·gellas : any bacterium of the genus Shigella


noun    (Concise Encyclopedia)

Any of the rod-shaped bacteria that make up the genus Shigella, which are normal inhabitants of the human intestinal tract and can cause dysentery, or shigellosis. Shigellae are gram-negative (see gram stain), non-spore-forming, stationary bacteria. S. dysenteriae, spread by contaminated water and food, causes the most severe dysentery because of its potent toxin, but other species may also be dysentery agents.


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