MENINGOKOKK (Menungococcus), yak namudi diplokokkhoi grammanfi. M. angezandai bemorihoi meningokokki meboshand. Andozai M. 0,6 – 1,0 mkm ast. Ba shakli donai qahva buda, dar moei harommagz joy megirand. Onho faqat dar muhite meafzoyand, ki doroi safedai odam yo hayvonot ast. M. ekzotoksin hosil namekunad. M. az tasiri garmi (650S) badi 5 daq. mahv megardad. Moddahoi gandzudo M.-ro badi 1 – 2 daq. mahv mesozand. M.-ho hamchunin ba tasiri penitsillin, levomitsetin va tetratsiklin hassos meboshand. M. az jihati sokhtori podguni (antigeni) ba serotiphoi A, V, S, D, X, V, Z va g. judo karda meshavand.