Streptococcus viridansmedical dictionary

A name applied not to a distinct species but rather to the group of alpha-haemolytic streptococci as a whole; viridans streptococci have been isolated from the mouth and intestines of humans, the intestines of horses, the milk and faeces of cows, milk and milk products, and the sputum and lungs in cases of primary atypical pneumonia.

(05 Mar 2000)