THE small intestine comprises the longest portion of the alimentary canal and yet receives small consideration in the diagnosis of intestinal tumors. The reason is the rarity of neoplasms in the small ...

It was the ancient Greeks who first divided the 20-foot length of the small intestine into three parts: The duodenum, the jejunum and the ileum. However, the organ may finally be ready for an update: ...

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, ...

To study the role of the tachykinin receptors in spontaneous contractions of longitudinal and circular smooth muscle from rabbit small intestine and to determine the mechanism of action of Substance P ...

Gut microbiota may play a vital role in type 2 diabetes remission in mice, said a new study. In a new study published in The American Journal of Pathology, researchers investigating gastric bypass in ...

When an orally administered drug dissolves, it must cross the intestinal wall, reach the liver via the portal circulation, and then enter the systemic circulation to distribute into various tissues in ...

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 ...

The small intestine is approximately 21 feet long and consists of three sections - the Duodenum, Jejunum and the ileum, most of the digestion and absorption of food occurs in small intestine.

Despite advances in testing for coeliac disease over the past two decades, awareness of this disease remains suboptimal worldwide. Here, Makharia and colleagues summarize the current knowledge of ...

A 40-year-old woman with a history of Crohn's disease presents with a 3-week history of intermittent abdominal pain, about 8 watery bowel movements a day and weight loss of 8 kg from her baseline ...

A part of the gastrointestinal tract, the small intestine (also called the small bowel) connects to the stomach and continues on to connect to the large intestine. It is made up of three main parts, ...