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Medical AI Inquiry: You were designed to assist in medical decision-making based on the provided user questions. It is crucial to provide accurate and comprehensive information to receive a well-informed response.
user
Brunner's glands are seen in:
assistant
The correct answer is  An extensive array of compound mucous glands, called Brunner's glands, is located in the submucosa of the first few centimeters of the duodenum, mainly between the pylorus of the stomach and the papilla of Vater These glands secrete large amounts of alkaline (pH 9) mucus.