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, ...

The stomach contains something called the pylorus, which connects the stomach to the duodenum. The duodenum is the first section of the small intestine. Together, the pylorus and duodenum play an ...

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 gut microbiome is an important ecosystem of microbes that lives in each one of us, and its strength affects our overall health. However, the small intestine is an underappreciated part of the gut ...