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Spirochaetaceae

noun plural Spi·ro·chae·ta·ce·ae \ ˌspī-rə-kē-ˈtā-sē-ˌē \
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medical Definition of Spirochaetaceae

: a family comprising large coarsely spiral bacteria of the order Spirochaetales that are free-living in fresh or salt water or associated with animal or human hosts

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