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现将牛黄、苏子、茧丝子的简易鉴别方法介绍如下。1牛黄此药为牛科动物牛干燥的胆囊结石或其胆管结石。肝管结石药材称天然牛黄。它具有开窍化痰，解热镇逢、清心解毒之功效。但价格昂贵，常有伪品出现。1．1内眼观察天然牛黄的形状常呈椭圆形或类球形、三角形或四方形，大小不
The simple identification methods for Niuhuang, Suzi, and Cuscuta are described below. 1 Bezoar This medicine is a dry bovine gallstone or a bile duct stone in cattle. Hepatic stone medicine is called natural bezoar. It has the functions of relieving phlegm, relieving heat, removing the heat, clearing the heart and detoxifying the body. But the price is expensive and often fakes appear. 1.1 The inside eye observes that the shape of natural bezoar often has an elliptical or ball-like shape, a triangle or square shape, and the size is not