(IMAGE) Technical University of Munich (TUM) Caption Confocal laser microscopy of a scaffold populated with human mesenchymal precursor cells. Credit D. Hutmacher / QUT Usage Restrictions This image may be freely used, with copyright noted, in media coverage of this research. 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.