Medically reviewed by Kumkum S. Patel, MD Key Takeaways Villi are tiny projections in the small intestine that absorb ...

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 ...

Intestinal cells can change specializations during their lives. The BMP signaling pathway -- an important communication mechanism between cells -- appears to be the driver of these changes, according ...

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 ...

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 ...

An international team of scientists based in the Netherlands, and in China, has found that intestinal cells can change specializations during their lives, driven by the BMP signaling pathway, an ...