Microscopic Image of the Hippocampus of Treated Mice (image) Max Delbrück Center for Molecular Medicine in the Helmholtz Association Share Print E-Mail Caption This is the hippocampus after treatment with antibiotics: only few new cells are visible (marked red). Credit Image: Susanne Wolf/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.