Models of Red Blood Cells (IMAGE) Optica Caption The top row shows a model of a healthy red blood cell with a normal dimple, while the bottom row shows a model of a deflated red blood cell with an abnormal dimple. Credit <I>Biomedical Optics Express</I> 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.