乌金衣:有的牛黄的表面披有一层乌黑色略有光泽的薄膜,俗称“乌金衣”;挂甲:牛黄水液可使指甲染黄不易擦去。涡纹:指牛黄、马宝等药物切面的同心层纹;铁线尾:乌梢蛇的蛇尾细而长,俗称“铁线尾”;剑脊:乌梢蛇的脊部高耸呈屋脊状,俗称“剑脊”;翘鼻头:方胜纹、连珠斑、蕲蛇吻端向上突出,俗称“翘鼻头”;脊部有24个灰白色,菱方形斑纹,称“方胜纹”,腹部有多数类圆形黑斑,俗称“连珠斑”.佛指甲:蕲蛇尾部末节呈扁三角 Wu Jinyi: Some of the bezoar’s surface is covered with a layer of black and black glossy film, commonly known as “black gold clothing”; Hanger A: The bezoar solution can make the nails yellow and difficult to wipe. Vortex pattern: refers to the concentric layered pattern of bezoar and Ma Bao and other drugs; iron wire tail: snake head is thin and long, commonly known as “iron wire tail”; Jianji: The ridge of the black snake is ridge-like. Commonly known as “jianjian”; upturned nose: Fang Shengwen, lianzhu spot, python prominent kiss upward, commonly known as “warm nose”; ridge has 24 gray, diamond square markings, known as “Fang Sheng Wen”, the majority of the abdomen Classes of dark spots, commonly known as “spotted pearl spots.” Buddha nails: the end of the snake is flat triangle