Mouse Neurons in Hippocampus (image) University of Pennsylvania School of Medicine Share Print E-Mail Caption Primary neurons from hippocampus isolated from a mouse embryo. Axons are green and nuclei are stained blue and ACSS2 is red, so overlap is pink-purple. Credit Philipp Mews, PhD, Perelman School of Medicine, University of Pennsylvania 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.