This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Abdomen & Pelvis, Subject name: Anatomy
[{'content': 'Marginal artery of Drummond is formed by: \nSelect and explain. \nA. Celiac artery, B. Gastroduodenal artery, C. Internal iliac artery, D. Inferior mesenteric artery', 'role': 'user'}, {'content': 'Answer: D \nExplanation: Ans. D. Inferior mesenteric arteryThe marginal artery of Drummond, also known as the marginal artery of the colon, is a continuous arterial circle or arcade along the inner border of the colon formed by the anastomoses of the terminal branches of the superior mesenteric artery (SMA) and inferior mesenteric artery (IMA). Straight vessels (known as vasa recta) pass from this marginal artery to the colon.', 'role': 'assistant'}]