Stretch chamber for hepatocytes (IMAGE) Heinrich-Heine University Duesseldorf Caption “Stretch chamber” for hepatocytes, in which blood vessel cells (endothelial cells) are mechanically stimulated to release growth factors for liver regeneration. (Photo: HHU/Paula Follert) Credit HHU/Paula Follert Usage Restrictions No restrictions. License Public Domain 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.