noun, plural shigellae [shi-gel-ee] , shigellas. Bacteriology.
any of several rod-shaped aerobic bacteria of the genus Shigella, certain species of which are pathogenic for humans and other warm-blooded animals.

< Neo-Latin (1918), after Kiyoshi Shiga (1870–1957), Japanese scientist; see -ella Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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World English Dictionary
shigella (ʃɪˈɡɛlə)
any rod-shaped Gram-negative bacterium of the genus Shigella; some species cause dysentery
[C20: named after K. Shiga (1870--1957), Japanese bacteriologist, who discovered it]

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American Heritage
Medical Dictionary

Shigella Shi·gel·la (shĭ-gěl'ə)
A genus of gram-negative, aerobic, nonmotile, rod-shaped bacteria that includes some species that cause dysentery in humans.

The American Heritage® Stedman's Medical Dictionary
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