CA3 Neurons (IMAGE) Salk Institute Caption Salk researchers used stem cells to derive CA3 pyramidal neurons (green), including a rare subtype of the cells (red). Credit Salk Institute Usage Restrictions with credit and related coverage. 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.