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Walk the Even Hospital Database by book and chapter — the raw source passages that ground Ask, DDx, and the rest.

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contentuptodate· Content· item f25_35_26175

©2013 UpToDate ® Print Email Adult female Ixodes scapularis tick Female Ixodes ticks are orange-reddish, with a dark brown oval-shaped structure called a scutum covering the superior portion of the dorsal surface. Unengorged adults are approximately 3 mm in length. Courtesy of Dr. Michael E Ross.