Megakaryocytes Forming Platelets (IMAGE) eLife Caption Platelets are created and released into the bloodstream by megakaryocytes, giant cells that live in the bone marrow. This image shows megakaryocytes (in red) forming platelets within a bone marrow mimic made with silk biomaterial. Credit Christian Di Buduo, Alessandra Balduini (CC BY 4.0) Usage Restrictions This image is free to be reused, as long as it is credited as appropriate. 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.