一、肝素的来源和理化性质1916年 McLean 自实验动物的心和肝中分离出一种抗疑血物质,其后 Howell 及 Holt比较详细地叙述了它的性状,并定名为肝素。目前还只能自动物的脏器制备肝素。一般说,肝的含量最多,肺、肌肉、血管壁及肠粘膜次之,心、脾较少,而正常血液中则难以测得。肝素的钠盐是一种白色或灰色的无定形, First, the source of Heparin and physicochemical properties 1916 McLean isolated from the heart and liver of laboratory animals, an anti-suspicious substances, then Howell and Holt narrated in more detail its traits, and named heparin. At present, heparin can only be prepared from the organs of animals. In general, the liver content of the most, lung, muscle, blood vessel wall and intestinal mucosa second, heart, spleen less, while the normal blood is difficult to measure. The sodium salt of heparin is a white or gray amorphous,