3-D-printed Astrocyte (IMAGE) Duke University Caption A 3-D-printed model of a single astrocyte from a mouse brain shows the sponge-like structure of these cells. Credit Katherine King, Duke University Usage Restrictions with credit License Licensed content 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.