This story is part of a series exploring human anatomy and physiology complexities. Each story in this collection showcases discoveries reshaping our understanding of the body's inner workings, ...

This article – the third in a six-part series on the gastrointestinal tract – describes chemical digestion in the duodenum and the role by the liver and pancreas in this process. It also discusses ...

A duodenal ulcer is a type of peptic ulcer that can appear in the duodenum. The duodenum is the upper part of the small intestine that’s connected directly to the stomach where it empties into the ...

Duodenal switch surgery combines two complex weight loss procedures — a sleeve gastrectomy and an intestinal bypass — to form the most reliable weight loss procedure with long-term results. Your ...

Duodenal cancer is a rare type of cancer that forms in the first part of the small intestine. Symptoms can be vague, which can make early diagnosis difficult. In this article, we look at what duodenal ...