Medically reviewed by Jay N. Yepuri, MD Villi are tiny projections in the small intestine that help absorb nutrients and aid digestion.Damage to your villi can lead to malabsorption and health issues ...

"You are not just a ball of cells," says Clifford Tabin, George Jacob and Jacqueline Hazel Leder Professor of Genetics at Harvard Medical School (HMS). The way cells organize within the human body ...