A Cellular Cytoskeleton (1 of 2) (IMAGE) Lomonosov Moscow State University Caption A cellular cytoskeleton -- thin colored lines show microtubules. Credit Pakorn Kanchanawong, National University of Singapore and National Heart, Lung, and Blood Institute, National Institutes of Health. 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.