LSD Structure and Receptor (IMAGE) Cell Press Caption This image shows an artistic representation of LSD (in blue) fitting into a serotonin receptor (the white ribbon). Credit Bryan Roth Usage Restrictions Credit Required. 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.