肝脏是动物机体物质代谢的中心,它在糖,脂,蛋白质三大营养素代谢和药物、毒物的生物转化中起关键性的作用。许多肝功能乃是由实质性肝细胞担任,然而肝脏其它类型的细胞,包括枯否氏细胞、血管内皮细胞、脂质储存细胞和色素细咆则担负着相应的功能,特别是枯否氏和内皮细胞可借助于细胞间通信 The liver is the center of animal body material metabolism, which plays a key role in the metabolism of the three major nutrients of sugar, fat and protein and the biological transformation of drugs and poisons. Many liver functions are performed by substantial hepatocytes, whereas other types of cells in the liver, including Kupffer cells, vascular endothelial cells, lipid storage cells and pigment cells, carry a corresponding function, especially Kupffer’s and Endothelial cells can communicate by means of cells