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Definition of Spirochete

Spirochete: A microscopic bacterial organism in the Spirochaeta family that has a worm-like, spiral-shaped form and wiggles vigorously when viewed under a microscope. Treponema pallidum, the cause of syphilis, is a particularly well-known spirochete.

Source: MedTerms™ Medical Dictionary
Last Editorial Review: 3/19/2012

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