肝功能的代谢基础肝脏是人体内的一个重要器官,具有分泌、排泄、解毒、防御和参与物质代谢等多种功能。肝脏的这些功能与它的结构特点是密切相关的。一、肝脏的微细结构肝脏是人体内最大的器官,成人肝重约为体重的百分之二。肝脏的基本结构单位是肝小叶,整个肝脏的肝小叶数多达45～50万个。肝小叶是平均直径1毫米、高约2毫米的多角棱柱状体。肝小叶中央有一条纵行的中央静 The Basis of Metabolism of Liver Function The liver is an important organ in the body and has various functions such as secretion, excretion, detoxification, defense and participation in the metabolism of matter. These features of the liver are closely related to its structural characteristics. First, the liver’s fine structure The liver is the body’s largest organ, adult liver weight is about two percent of body weight. The basic structural unit of the liver is the hepatic lobule. The number of hepatic lobules in the entire liver is as many as 45 to 500,000. The hepatic lobule is a polygonal prism with an average diameter of 1 mm and height of about 2 mm. Central hepatic lobule has a longitudinal central static