This article, the sixth in an eight-part series, examines the anatomy and physiology of the endocrine glands and tissues associated with the gastrointestinal tract. The endocrine system comprises ...

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, ...

The small intestine is made up of the duodenum, jejunum, and ileum. Together with the esophagus, large intestine, and the stomach, it forms the gastrointestinal tract. In living humans, the small ...

The intestines work by absorbing nutrients and vitamins. They are part of the gastrointestinal (GI) tract. Together, the small and large intestines run from the end of the stomach to the anus. In this ...

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 ...