The acid phosphatase (ACP) in the blood cells of oncomelania hupensis was observed at the light microscope level by the burstone stained technique.

结果在钉螺血淋巴细展性阿巴细可见呈棕色颗粒ACP阳性反应物,而圆形阿巴细未见呈棕色颗粒ACP阳性反应物。