The cells within the villi are represented by multicolored imperfect circles (2). Click on the right arrow to see a cross section through a single villus. Biology in the background The small intestine ...

The researchers looked especially at tiny, hair-like projections in the mice intestines called villi which help absorb nutrients from food. They found that the height of individual villi in mice ...

Strikingly, supplementing the diet of female mice with sodium induced villi growth even in virgin mice. The team believes that hormones triggered by reproduction may play a role in switching on ...