This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Abdomen and pelvis, Subject name: Anatomy
[{'content': "Brunner's glands are seen in which of the following? \nSelect and explain. \nA. Stomach, B. Small intestine, C. Large intestine, D. Duodenum", 'role': 'user'}, {'content': "Answer: D \nExplanation: Brunner's glands (or duodenal glands) are compound tubular submucosal gland found in that poion of the duodenum which is above the hepatopancreatic sphincter (sphincter of Oddi). The main function of these glands is to produce a mucus-rich alkaline secretion ref - BDC 6e vol2 pg259", 'role': 'assistant'}]