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shigella

shi·gel·la [ shi géllə ] (plural shi·gel·lae [ shi géllee ] or shi·gel·las)


noun 
Definition:
 
dysentery-causing bacterium: a rod-shaped bacterium that lives in the intestinal tracts of human beings and animals and causes dysentery. There are four species, all causing dysentery, but with varying degrees of severity. Genus Shigella.

[Mid-20th century. < modern Latin, after Kiyoshi Shiga (1870-1957), Japanese bacteriologist]
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