T Cell (IMAGE) Macquarie University Caption The ruffled surface of a T cell means only very small areas make close contact with potential enemy cells. Credit Blausen Medical Usage Restrictions Image may only be used with appropriate credit. 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.