This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Anatomy
[{'content': 'Which of the following structure is not present in the transpyloric plane? \nSelect and explain. \nA. First lumbar vertebra, B. Fundus of gall bladder, C. Hilum of right kidney, D. Inferior mesenteric vein', 'role': 'user'}, {'content': 'Answer: D \nExplanation: Transpyloric plane- An imaginary plane that passes at the lower border of L1 vertebra posteriorly and the tip of 9th costal cartilage anteriorly.\nStructures at the Transpyloric plane\n-\xa0\xa0\xa0\xa0\xa0\xa0\xa0 Pylorus of stomach\n-\xa0\xa0\xa0\xa0\xa0\xa0\xa0 Hilum of kidney\n-\xa0\xa0\xa0\xa0\xa0\xa0\xa0 Beginning of duodenum\n-\xa0\xa0\xa0\xa0\xa0\xa0\xa0 Neck of pancreas\n-\xa0\xa0\xa0\xa0\xa0\xa0\xa0 Fundus of gallbladder\n-\xa0\xa0\xa0\xa0\xa0\xa0\xa0 Origin of the superior mesenteric vessel.', 'role': 'assistant'}]