Medical Dictionary

Shiga bacillus

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




(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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