化膿レンサ球菌かのうレンサきゅうきん Noun English jmdict 1 noun (common) (futsuumeishi) Streptococcus pyogenes (bacterium that causes group A streptococcal infections)
球菌きゅうきん Common Noun Noun English jmdict 1 noun (common) (futsuumeishi)nouns which may take the genitive case particle 'no' coccus