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

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 ...

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 ...

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 ...

Add Yahoo as a preferred source to see more of our stories on Google. Your small intestine is lined with tiny protrusions called villi that play a big role in digestion. Sebastian Kaulitzki/Science ...

While this image might look like a multicolored tile floor, it is actually a cross section through the fingerlike bumps on the intestinal wall called villi. The cells within the villi, which you can ...