Merck Manual

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Leptospira interrogans , porcine kidney
Leptospira interrogans , porcine kidney

Leptospira interrogans, porcine kidney, Warthin-Starry silver stain, medium power. Note the large number of thread-like black bacteria within the tubule lumen of the proximal convoluted tubules.

Courtesy of the Department of Pathobiology, University of Guelph.

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