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目的：观察人芽囊原虫的不同形态。方法：用生理盐水涂片、碘液染色和苏木素染色法对西藏阿里地区和新疆地区的小学生与腹泻病人肠道内人芽囊原虫进行调查。结果：发现人芽囊原虫形态多变，有空泡型、颗粒型、变形型和二分裂法生殖。结论：人芽囊原虫在肠道中可出现多种形态，但以空泡型为最常见占８４％，易与结肠内阿米巴和其它非致病阿米巴合并感染，且与患者的腹泻有一定关系。
Objective: To observe the different forms of Blastocystis protozoa. Methods: The gut protozoal in the intestine of primary school students and diarrhea patients in Ali area of Tibet and Xinjiang region were investigated by saline smear, iodine solution staining and hematoxylin staining. Results: The morphological changes of Blastocystis protozoa were found. There were vacuolar, granular, deformable and bisected reproductive. CONCLUSIONS: There are many morphological appearances of Blastocystis hominis in the intestine, but the most common form of vacuolar pneumonia is 84%. It is easily co-infected with Enterobacter aum and other non-pathogenic amoebiasis and is associated with the patient’s diarrhea Have a certain relationship.