Healthy Platelets Pull The Post Toward The Block (image) University of Washington Share Print E-Mail Caption Healthy platelets (false colored blue here) attach between the block and post, and then they begin to pull the post toward the block. Healthier platelets pull the post back farther compared to platelets that have experienced trauma. This image was taken on a scanning electron microscope. Credit University of Washington Usage Restrictions For use with appropriate credit. Share Print E-Mail 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.