STEVE GSCHMEISSNER / SCIENCE PHOTO LIBRARY STEVE GSCHMEISSNER / SCIENCE PHOTO LIBRARY
Light micrograph (LM) of a female Ixodes ricinus tick, the principal vector of Lyme disease in Europe. At top centre is the head of the tick with its barbed blood-sucking mouthparts. The tick is common in Europe and attacks humans, domestic and wild animals. Ixodes ricinus carries the spirochaete bacterium Borrelia burgdorferi, cause of both Lyme disease and a closely-related disease known as erythema migrans. Both diseases cause skin lesions, neurological and cardiac abnormalities and recurrent arthritis. Magnification: x15 when printed at 10cm wide.
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