Developing Embryo (IMAGE) Syracuse University Caption Panel A shows the usual organization of the notochord (green) and the KV (red) in a developing embryo. In panel B, a laser was used to destroy cells in the notochord near the KV, to test the hypothesis that the notochord pushing contributes to KV motion. Credit Syracuse University 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.