Medical Dictionary

Shiga bacillus

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noun Shi·ga bacillus \ˈshē-gə-\

Medical Definition of Shiga bacillus

  1. :  a widely distributed but chiefly tropical bacterium of the genus Shigella (S. dysenteriae) that causes dysentery in humans and monkeys

Biographical Note for shiga bacillus

Shiga

\shē-gä\,

Kiyoshi

(1870–1957), Japanese bacteriologist. Shiga is best known for the discovery in 1897 of a bacillus that causes dysentery. Originally the bacterium was classified in the genus Bacillus, but in 1919 along with several other species it was placed in a new genus, Shigella, which was named in honor of Shiga.


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