and examine changes in the ability of the small intestine to release fluids into the lumen, in the time it takes for food to transit the small intestine, and in the small-intestinal permeability.

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

In bile, cholesterol, bile acids and phospholipids form mixed micelles. Bile acids are secreted into small intestine lumen, where bile acids facilitate dietary lipid absorption. Bile acids are ...