Activated Thrombocyte (IMAGE) Moscow Institute of Physics and Technology Caption This is an activated thrombocyte on a slide with immobilized fibrinogen, one of the proteins found in the blood. Scanning electron microscopy. Credit Photograph courtesy of Sergey Obydenny / Wikimedia 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.