Tissue-Engineered Colon (image) Children's Hospital Los Angeles Share Print E-Mail Caption This is a tissue-engineered colon generated from cells from a patient with Hirschsprung's disease. Nerve cells (derived from neurospheres) are shown in green. Credit Children's Hospital Los Angeles Usage Restrictions None Share Print E-Mail 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.