Food travels from the stomach to the small intestine, where most of the nutrient absorption occurs. The small intestine uses enzymes from the liver and pancreas to aid nutrient absorption.

Both the jejunum and the ileum have linings with many folds that increase the surface area of the small intestine (about 2,700 square feet or 250 square meters) for maximized nutrient absorption.

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 ...

As the longest part of your digestive tract, the small intestine is responsible for assisting with digestion, waste removal, and the absorption of nutrients. Stretching as much as 20 feet ...

The team of researchers from the University of Chicago set out to understand what role gut bacteria played in the digestion and absorption of fats. The study focused on the small intestine ...

The colon, also called the large intestine, is a section of the digestive tract. It processes any food material that the small intestine ... are essential in the absorption of nutrients elsewhere ...

These villi and microvilli increase the surface area available for the absorption of nutrients. In the small intestine food that has already been broken down by chewing and stomach enzymes is ...

To study absorption, two different approaches have been used. In vivo methods, such as measuring the disappearance of a test substance from the gut, its appearance in body fluids or its fecal ...