Ganglion in the Human Intestine (IMAGE) Technical University of Munich (TUM) Caption This is a ganglion in the human intestine, which shows nerval activity after giving the anti-HuD-serum. The activity is red. Credit (Fig.: Schemann, Michel/ TUM) Usage Restrictions Can be used only together with this News Release 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.