New Salk Method Efficiently Grows Human Astrocytes in a Dish, Advancing Studies of Stroke, Alzheimer (image) Salk Institute Share Print E-Mail Caption This is a stylized microscopy image of an astrocyte (red) and neuron (green). Blue circles indicate cell nuclei. Credit Salk Institute Usage Restrictions with credit and related coverage. 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.