Villi are tiny, hair-like projections and tissues composed of the cells lining your small intestine's inside walls. They serve a critical role in digestion, absorbing nutrients from food and ...

Medically reviewed by Robert Burakoff, MD Intestinal villi (singular: villus)are tiny, finger-like projections that line the ...

During fetal development, the small intestine undergoes several invaginations, where the small bowel becomes ensheathed. The result is formation of multiple villi and microvilli. Intestinal villi ...

By bypassing major portions of the small intestine, Roux-en-Y bypass procedures drastically reduce the surface area for absorption. Villi and microvilli give the small intestine a much greater ...