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

结果在钉螺血淋巴的伸展性阿巴浆呈棕色颗粒的ACP阳性反应物,而圆形阿巴浆未呈棕色颗粒的ACP阳性反应物。