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１．目前不同的肝段解剖命名主要：（１）传统的解剖学命名：将肝脏分为四叶：左、右叶、尾状叶和方叶。（２）英、美命名法：将肝脏分为两叶四段。左右叶以肝中静脉为界；而左右两叶再各分为两段，即以肝右静脉将右叶分为右后、前两段，以肝左静脉将左叶分之为肝左内、外两段
1. Currently different anatomical nodules are mainly: (1) the traditional anatomical naming: the liver is divided into four leaves: left and right leaves, caudate and square leaves. (2) British and American nomenclature: the liver is divided into two leaves four sections. Left and right leaves to the middle of the vein; and left and right leaves and then divided into two sections, that is, the right hepatic vein will be divided into right and left posterior segments, the left hepatic vein will be divided into left and left hepatic , Two sections outside