Fig. 1A: Beta Hemolysis on Blood
Agar (Indirect Lighting)
![](images/bloodsp2.JPG)
Note clear, colorless zone surrounding colonies where complete lysis of the
red blood cells by the hemolysins has occurred. (See close
up image.)
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Microbiology Laboratory Manual by Gary E. Kaiser, PhD, Professor of Microbiology
is licensed under a Creative Commons Attribution 4.0 International License.
Last updated: September, 2017