In chronic form, greyish- green plagues or purulent cheesy exudate are observed in lungs and airsacs. 慢性型在肺脏和气囊中见到黄绿色斑块或化脓性干酪样渗出物。
A purulent exudate is seen beneath the meninges in the brain of this patient with acute meningitis from Streptococcus pneumoniae infection. 急性链球菌感染所致化脓性脑膜炎患者脑膜下可见化脓性渗出物。
