在解剖一具成年男性标本时,见异常的胰十二指肠动脉后弓(见附图)。弓上端在肝十二指肠韧带下部、胆总管的左侧,由胃十二指肠动脉发出,经十二指肠上部的后方,沿胰头与十二指肠降部之间向右斜过胆总管的前方,下行至十二指肠下面的上方转向左上方横行,在胰颈后方跨过门静脉及腹主动脉至十二指肠 Anatomy of the posterior pancreaticoduodenal artery arch was seen when an adult male was dissected (see attached). The bow in the lower part of the liver duodenum ligament, left common bile duct, sent by the gastroduodenal artery, the upper part of the rear of the duodenum, pancreas and duodenal descending right oblique between the head To the front of the common bile duct, down to below the upper part of the duodenum turned to the upper left ramp, in the back of the pancreas across the portal vein and abdominal aorta to the duodenum