Portal Vein is formed by the union of?: (A) Superior Mesenteric and Inferior Mesenteric Veins, (B) Superior Mesenteric and Splenic Veins, (C) Superior Mesenteric And left renal vein, (D) Inferior Mesenteric and Splenic Vein
Answer is B. ANSWER: (B) Superior Mesenteric and Splenic VeinsREF: Keith L. Moore 4th edition page 142-143"The hepatic portal vein, formed by the union of the superior mesenteric and splenic veins, is the main channel of the portal venous system, which collects blood from the abdominal part of the alimentary tract, pancreas, spleen, and most of the gallbladder and carries it to the liver"Major Vessels of the Hepatic Portal System