The |splenic artery| is the largest of the three branches of the |celiac artery|. It extends outward from the |celiac artery| to the |spleen|, where is divides into branches that supply the |spleen|. The |splenic vein| arises from five or six branches which return ~blood~ from the |spleen|. The |splenic vein| merges with the superior mesenteric |vein| to form the |portal vein|.