Medical Dictionary
Main Entry:
Group A Pronunciation:
-'A Function:
noun : the Lancefield group of beta-hemolytic streptococci that comprises all strains of a species of thegenus
Streptococcus (S. pyogenes) and that includes the causative agents of pharyngitis, scarlet fever, septicemia, some skin infections (as pyoderma and erysipelas), rheumatic fever, andglomerulonephritis —usually used attributively <
Group A streptococcal infections>; —compare
GROUP B
