Cut Worm 15 Days After (IMAGE) University of Washington Caption A head and neural tube have formed at the cut site. The worm's nervous system and organ functions are restored. Credit Shawn Luttrell/University of Washington Usage Restrictions Photo credit required. 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.