Stuck on a problem? Get great tutoring at an affordable price with Chegg. Click here to join and get your 1st 30 minutes Free!

Nonhemolysis

From Biology-Online Dictionary
Jump to: navigation, search

Definition

noun

The lack of hemolytic activity in the area surrounding a bacterial colony on blood agar.


Supplement

The hemolytic reactions of streptococci on blood agar plates can be used for their preliminary identification and classification. For instance, Streptococcus pneumoniae forms alpha hemolysis, Streptococcus pyogenes forms beta hemolysis, and Enterococcus faecalis displays nonhemolysis (or gamma hemolysis) on blood agar plates.


Synonym: gamma hemolysis
Compare: alpha hemolysis, beta hemolysis