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, ...

Through a collaboration between Cornell and the State University of Binghamton in February, scientists found that food grade nanoparticles may potentially have detrimental effects on the function and ...

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 ...

This report describes the serial morphologic changes observed in peroral mucosal biopsies of the small intestine obtained before and after vitamin B 12 replacement from 8 patients with previously ...

Short bowel syndrome (SBS) affects how well the small intestine absorbs nutrients. Surgery, medications, and nutritional support are all part of a comprehensive treatment plan for this condition. SBS ...

The intestinal epithelium undergoes rapid renewal every 3–5 days, a process driven by intestinal stem cells (ISCs) located at the base of crypts.

Many biological processes exhibit daytime differences governed by rhythmic exposure to sunlight, termed circadian rhythms. Researchers at Penn State recently found, in mice, that a protein critical to ...