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(See also Sexually Transmitted Diseases (STD): Syphilis.)
The family Spirochaetales is distinguished by the helical shape of the bacteria. They are too thin to be visualized on routine microscopy but can be viewed using darkfield microscopy. There are 3 genera: Treponema
, Leptospira
, and Borrelia.
Last full review/revision November 2005
Content last modified November 2005
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