阿米巴性痢疾是人類的傳染病,併發有大腸的急性機能障碍(痢疾症狀),且有轉歸爲慢性续發病的傾向。此病的病原體爲痢疾阿米巴——Entamoeba histolytica(弗、料什,1875年),此種阿米巴居於腸管內。在某種條件下,可進入腸的粘膜壁內。在其侵入部形成潰瘍。痢疾阿米巴能由腸管再侵入人體的其它各臟器(如肝、肺、腦 Amoebic bacillary dysentery is an infectious disease of humans, complicated by acute dysfunction of the large intestine (symptoms of diarrhea), and has a tendency to become chronically progressive. The pathogen of this disease is Entamoeba histolytica (Ephemera, 1875). This amoeba is found in the intestinal tract. Under certain conditions, it can enter the mucosal wall of the intestine. It forms ulcers in its invasive areas. The dysentery amoeba can invade the human body from other organs (such as liver, lung, brain)