Methods The sagittal part of portal vein and its branches were observed in the continuous section of 30 specimens of adult cadaveric liver, based on the section of hepatic falciform ligament and left sagittal groove. 方法取30例成人肝标本,以肝镰状韧带和左纵沟所在的平面为中心,向两侧行平行连续性切面以观测门静脉左支矢状部及其分支情况。