White blood cell protrusion (IMAGE) Cell Press Caption This microscopy image shows a white blood cell creating a protrusion to reach out to a foreign body. Credit Virginie Bazin, Claire Hivroz, Julien Husson Usage Restrictions 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.