Nerves in fatty liver (IMAGE) Karolinska Institutet Caption Sympathetic nerves (white) around the portal vein (blue), the bile duct (yellow) and the hepatic artery (red) in the liver. Credit Adori et al., Science Advances, July 2021. Usage Restrictions Reference and credit must be given. Use only in connection to reports about these findings. 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.