3D printed astrocytes (image) Duke University Share Print E-Mail Caption Astrocytes are highly complex cells that tightly envelope synaptic structures in the brain. This picture shows 3D-printed forms of astrocytes. Credit Katie King - Duke University 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.