Scientists have created a synthetic small intestinal lining designed to treat certain digestive diseases or make it easier for the body to absorb certain drugs — all contained in a solution that one ...

Pathogen-fighting immune cells called tissue-resident memory CD8 T cells (TRM cells) go through a surprising transformation -- and relocation -- as they fight infections in the small intestine. Your ...

The human small intestine is an essential organ that helps us absorb nutrients and vitamins from food. It is an average of 6 meters long and is covered with millions of villi that are separated by ...

Tissue from pig intestines is key to a new procedure performed by University of North Carolina-Chapel Hill doctors as an alternative to major surgery of people with fistulas. Fistulas are holes in ...

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, ...