肝脏是人体内最大的腺体,也是重要的代谢器官。它位于腹腔右上方。肝上缘高至右侧第4～5肋间,下缘伸展到肋缘。呼吸时肝脏可随膈肌运动而上下移动。肝脏的上面隆起而光滑,下面凹陷不平,血管、肝管和神经进出肝脏处,称为肝门。肝脏可分为左、右两叶,右叶较厚,左叶较扁薄。肝脏像一个庞大的化工厂,其生理功能比较复杂,主要有以下的几个方面: The liver is the largest gland in the body and is also an important metabolic organ. It is located in the upper right corner of the abdominal cavity. Liver up to the right side of the 4th to 5th intercostal, the lower edge of the stretch to the costal margin. When breathing the liver can move up and down with the diaphragm movement. Uplift of the liver and smooth, uneven depression below, blood vessels, liver and nerve into the liver, known as the hilar. The liver can be divided into left and right leaves, thicker right lobe, thinner left lobe. Liver like a large chemical plant, its physiological function is more complicated, mainly in the following aspects: