Shi·ga \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.
Medical Dictionary
Shiga bacillus
noun Shi·ga bacillus \ˈshē-gə-\
Medical Definition of SHIGA BACILLUS
: a widely distributed but chiefly tropical bacterium of the genus Shigella (S. dysenteriae) that causes dysentery in humans and monkeys
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