Duodenum
Medical term · D
The upper part of the small intestine.
Related terms
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Small intestineA section of the digestive system that includes the duodenum, jejunum, and ileum and plays the major role in absorbing nutrients for the body.
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DuodenitisInflammation of the duodenum, which is the upper part of the small intestine.
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JejunumThe section of the small intestine between the duodenum and the ileum.
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Peptic ulcerA raw, crater-like sore in the lining of the stomach or duodenum that causes burning stomach pain.