Fig. 3 (IMAGE) Osaka University Caption Plasma cells right after arriving at bone marrow are motile and migratory, whereas long-lived plasma cells are sessile and immobilized in the bone marrow environment. Credit Koike et al. Usage Restrictions Cannot be used without permission. License Original 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.