Human Intestinal Organoid (IMAGE) Michigan Medicine - University of Michigan Caption A single human intestinal organoid, or HIO -- a hollow ball of cells grown from human embryonic stem cells and coaxed to become gut-lining cells. Scientists can use it to study basic gut development, and the effect of microbes on the cells, in a way that mimics the guts of newborn babies. Credit University of Michigan Usage Restrictions Credit University of Michigan License Licensed content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.