T Cells (IMAGE) Vienna University of Technology Caption The T cell (yellow) touches the antigen-presenting cell. Tiny forces are applied on the surface, eventually the connection breaks. Credit TU Wien / MedUni Wien 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.