Worm Model (IMAGE) University of Oregon Caption Platynereis dumerilii, a marine bristle worm, is becoming a new model for studying early stages of cell development. Credit Photo by Kristin Tessmar-Raible, European Molecular Biology Laboratory Usage Restrictions Photo use must credit Kristin Tessmar-Raible 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.