"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 ...

The principles guiding the growth of intestinal structures called villi are surprisingly similar across chickens, frogs, mice, and snakes. The wrinkling of the inner gut, the researchers found, is ...

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 ...