amy and valerie image viscosity (IMAGE) Johns Hopkins Medicine Caption It is like the cells under high viscosity have gone to the gym to do hard training and develop muscle (actin and myosin) that will improve tumor cell's performance to reach their final destination faster. Credit Dr. Selma Serra Usage Restrictions -- License Original 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.