ID#: 10545
This image depicts a frontal view of a Petri dish culture plate, which contained a blood agar growth medium that had been inoculated with Gram-negative, Serratia marcescens bacilli. Note the induced hemolytic effect, evident as a halo surrounding each of the bacterial colonies. In these lightened area, a lysis of red blood cells (RBCs) contained in the blood agar medium had taken place.
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Content Provider(s): CDC/ Dr. Negut
Creation Date: 1973
Photo Credit:
CDC Organization
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Copyright Restrictions: None - This image is in the public domain and thus free of any copyright restrictions.