streptolysin
Noun
Meaning
any of several hemolysins derived from strains of streptococcus
Source: WordNetSynonyms
Hypernyms
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Examples
Streptolysin, an exotoxin, is the enzyme produced by the bacteria which causes the complete lysis of red blood cells.
There are two types of streptolysin: Streptolysin O (SLO) and streptolysin S (SLS).
Streptolysin S is an oxygen-stable cytotoxin also produced by most GAS strains which results in clearing on the surface of blood agar.