Spiral Pattern (IMAGE) University of Southern Denmark Caption This image shows examples of spiral pattern. The colors indicate the direction of the lipids in the membrane, as shown in the color code that is inserted in image. The length of the black line is 5 micrometers. Credit Adam Cohen Simonsen/reprinted with permission from <i>Journal of Physical Chemistry Letters</i>. Copyright 2013 American Chemical Society. 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.