1、January, 2007Copyright Depart. Anatomy, School of Medicine, Lanzhou University. All right reserved by YP HOU and YF SONG 消化系统Alimentary system兰州大学基础医学院人体解剖学教研室January, 2007Copyright Depart. Anatomy, School of Medicine, Lanzhou University. All right reserved by YP HOU and YF SONG 第七节 肝January, 2007Co
2、pyright Depart. Anatomy, School of Medicine, Lanzhou University. All right reserved by YP HOU and YF SONG 肝是人体中最大的腺体，也是体内最大的消化腺。长（左右径）宽（上下径）厚（前后径）约为258mm152mm58mm。肝的功能：参与蛋白质、脂类、糖类和维生素等物质的合成、转化与分解； 参与激素、药物等物质的转化和解毒； 具有分泌胆汁，吞噬、防御以及在胚胎时期造血等功能。January, 2007Copyright Depart. Anatomy, School of Medicine,
3、Lanzhou University. All right reserved by YP HOU and YF SONG 一、肝的形态二、肝的位置及毗邻三、肝的分叶与分段四、肝外胆道系统January, 2007Copyright Depart. Anatomy, School of Medicine, Lanzhou University. All right reserved by YP HOU and YF SONG 一、肝的形态呈不规则的楔形，分为上、下两面，前、后、左、右四缘。肝的两面：肝上面，又称膈面。后部没有腹膜被覆的部分称裸区；肝下面，又叫脏面。将肝分为肝左叶、肝右叶、方叶和
4、叶。脏面中部有呈 H”形的三 。January, 2007Copyright Depart. Anatomy, School of Medicine, Lanzhou University. All right reserved by YP HOU and YF SONG 肝的四缘：前缘是肝的脏面与膈面的分 ， ,胆 在 ；后缘 ， ；右缘是肝右叶的右下缘， ；左缘是肝左叶的左缘， 。January, 2007Copyright Depart. Anatomy, School of Medicine, Lanzhou University. All right reserved by YP H
5、OU and YF SONG 肝 的 形 态January, 2007Copyright Depart. Anatomy, School of Medicine, Lanzhou University. All right reserved by YP HOU and YF SONG 肝 的 形 态January, 2007Copyright Depart. Anatomy, School of Medicine, Lanzhou University. All right reserved by YP HOU and YF SONG 大部分：右 区 腹上区 部分；左 区二、肝的位置及毗邻January, 2007Copyright Depart. Anatomy, School of Medicine, Lanzhou University. All right reserved by YP HOU and YF SONG 肝脏外形分为：肝左叶、肝右叶、方叶和 叶；肝内有四 道，形成两 系统：Glisson系统和肝系统。Glisson系统将肝分为：两 肝，一分为 叶、 段。三、肝的分叶与分段
