The small pear - shaped trophozoites live in the duodenum and become infective cysts that are excreted 小的梨形滋养体在十二指肠内，变成有感染性的包囊后释放出来。
2.
Diagnosis is usually made by microscopic examination of patient s stool specimen for entamoeba histolytica trophozoites and or cysts . presence of red blood cells and white blood cells facilitates the diagnosis of amoebic dysentery 用显微镜检验病者的粪便样本中的溶组织内阿米巴滋养体及或包囊是一般的诊断方法，红血球及白血球的存在有助于阿米巴痢疾的诊断。
