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水蛭,俗称蚂蟥,隶属环节动物门蛭纲。体表无刚毛,前后端皆有吸盘,体肌发达,体腔缩小,属一类高度特化的环节动物。水蛭是名贵中药材,其性平,味咸、苦、有微毒,治疗跌打扭伤、妇女闭经、高血压、心力衰弱、多发性脑血栓、消肿散积等疾病,疗效显著。水蛭种类繁多,目前已知全世界有300余种。药用的主要有3种:日本医蛭(稻田吸血蚂蟥)、尖细金线蛭(茶色蛭)、宽体金线蛭(扁水蛭)。前二种体形较小,养殖效益较低,宽体
Leech, commonly known as leech, belonging to the link of the Department of hirundi door. Surface without bristles, before and after the end Jieyou sucker, body muscle developed, body cavity narrowing, belonging to a class of highly specialized link animals. Leech is a valuable Chinese herbal medicine, its sexuality, taste salty, bitter, slightly toxic, treatment of bruises, women amenorrhea, hypertension, frailty, multiple cerebral thrombosis, swelling and other diseases, significant effect. There are a wide variety of leeches and there are currently over 300 species of leeches worldwide. There are three main medicinal: Japanese medical leeches (paddy vampire leech), pointed gold leeches (brown leech), wide-body gold line leech (leeches leeches). The first two kinds of shape is smaller, lower breeding efficiency, wide body