Intestinal villi (singular: villus)are tiny, finger-like projections that line the interior (lumen) of the small intestine. The primary function of villi is to absorb nutrients from food and transfer ...

You may think of the small intestine as a smooth tube that winds its way through your abdomen. But if you were to look really closely at the inside of the intestine, you would see that it is lined ...

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, ...

Your gut is a wondrous place. A special layer of cells that coats the insides of your small and large intestines takes in nutrients and water from what you ate while keeping anything bad out of your ...