B Cell Migration Blocked (IMAGE) Rockefeller University Press Caption B cell migration, tracked in these bone marrow images, was largely blocked after VCAM-1 was inhibited (right). Credit Beck et al., 2014 Usage Restrictions Reporters may freely use these materials in news coverage, with the appropriate credit information. 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.