水蛭可入药其味咸、苦、性平,主治症瘕块,血瘀经闭,跌打损伤等。新鲜水蛭唾液中含有一种抗凝血的水蛭素能对抗 ADP 诱导的血栓形成,并能活化纤溶系统,促使已形成的血栓溶解。水蛭还分泌一种组织胺样物质,能扩展毛细血管。由于水蛭药用价值高,人工饲养水蛭很有“前途”。一、生活习性。①栖息环境:水蛭生活于淡水性沟渠,水田、湖沼中,尤其是有机质 Leech can be used as medicine its salty, bitter, flat, attending disease block, blood stasis, traumatic injury and so on. Fresh leech saliva contains an anti-clotting hirudin against ADP-induced thrombosis, and can activate the fibrinolysis system to promote the formation of thrombolysis. Leech also secrete a histamine-like substance, can expand the capillaries. Due to the high medicinal value of leeches, the artificial leeches are very “promising.” First, the habits of life. ① habitat: leeches living in fresh water ditches, paddy fields, lakes, especially organic matter