streptococci
Noun
The word is derived from streptococcus
Meaning
of Streptococcus
Source: Webster's dictionaryExamples
Group H streptococci Group H streptococci cause infections in medium-sized canines.
Cause Most cases of erysipelas are due to Streptococcus pyogenes (also known as beta-hemolytic group A streptococci ), although non-group A streptococci can also be the causative agent.
In the medical setting, the most important groups are the alpha-hemolytic streptococci S. pneumoniae and Streptococcus viridans group, and the beta-hemolytic streptococci of Lancefield groups A and B (also known as “group A strep” and “group B strep”).
Group H streptococci rarely cause illness unless a human has direct contact with the mouth of a canine.
However, weakly hemolytic group D beta-hemolytic streptococci and Listeria monocytogenes (which is actually a Gram-positive bacillus) should not be confused with nonhemolytic streptococci.
Nonhemolytic streptococci rarely cause illness.