streptococcus pneumoniae bacteria as a cause of sinusitis

otitis streptococcus pneumoniae media pneumococcus ear inflammation medicine bacteria eustachian infection fluid tympanic structure cochlea medical membrane auditory cavity eardrum inner tube organ internal anatomy canal hear disease middle sensory illustration microbe microorganism pus purulent aom acute suppurative chronic ome effusion csom bacterial pathogenic streptococci coccus grampositive african black skin dark