<i >Bacillus anthracis</i>, methylene blue stain

Bacillus anthracis, methylene blue stain

Photomicrograph of a tissue smear demonstrating Bacillus anthracis. Note the intense red stain of the large capsule of this organism. Methylene blue stain; original magnification, 400×.

Courtesy of the Department of Pathobiology, Ontario Veterinary College, University of Guelph.

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