Microscopic Image of Fat Cells (image) Max Delbrück Center for Molecular Medicine in the Helmholtz Association Share Print E-Mail Caption Fat cells with insulin receptor marked red, lipid droplets marked white, and nuclei marked blue. Credit Credit: Vanessa Schmidt/MDC. Usage Restrictions None Share Print E-Mail 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.