Merck Manual

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Bacillus anthracis colonies
bacillus-anthracis-colonies-galante-sized
Bacillus anthracis colonies

    Subgross photograph of Bacillus anthracis colonies on blood agar. Colonies appear nonhemolytic and nonpigmented, with a dry, ground glass surface and irregular edges.

Courtesy of Dr. Domenico Galante.

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