They depart mainly from the termination of the gastric duodenal artery (GDA) or/and the cranial sides of the right gastroepiploic artery (RGEA) and the anterior superior pancreaticoduodenal artery (ASPDA).

• 多数起源于胃十二指肠动脉末端或胃网膜右动脉、胰十二指肠上前动脉近端。