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 ...

DURING its absorption by the small intestine a substance leaves the bowel lumen, traverses the epithelial lining, passes through the connective-tissue stroma of the lamina propria and enters terminal ...

When it comes to processing fructose, the liver is a pinch hitter for the small intestine. To use fructose for energy, the body needs to convert it into another type of simple sugar called glucose or ...