T Lymphocyte SEM (IMAGE) University of California - San Diego Caption This is a scanning electron micrograph of human T cell. Credit Image courtesy of National Institute of Allergy and Infectious Diseases. 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.