Histology (image) University of Copenhagen The Faculty of Health and Medical Sciences Share Print E-Mail Caption Cross-section of rat brain. To make sure that the suprachiasmatic nucleus had been properly deactivated, the researchers subsequently examined several histologies such as this one. Credit Department of Neuroscience, University of Copenhagen Usage Restrictions Use with credit to: Department of Neuroscience, University of Copenhagen 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.