Oxytocin Receptor (IMAGE) University of Zurich Caption Structure of the oxytocin receptor in the cell membrane (grey), to which retosiban (orange) and cholesterol (green) are bound. Credit University of Zurich Usage Restrictions None 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.