Lab-Grown Human Colon (IMAGE) Cincinnati Children's Hospital Medical Center Caption This confocal microscopic image shows a human colon organoid generated in the laboratory with human pluripotent stem cells. The organoid is shown after it was transplanted into a mouse. The engineered colon secreted proteins found in natural human colon. Researchers report study results in Cell Stem Cell. Credit Cincinnati Children's Usage Restrictions None 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.