Unique Chemosensory Receptors (IMAGE) Cell Press Caption This visual abstract depicts the discovery that chemosensory receptors in a subset of mammalian olfactory sensing neurons are structurally distinct from GPCRs, and multiple subtypes are expressed per neuron, implying an unexpected mechanism for olfactory detection and decoding. Credit Greer and Bear et al./<i>Cell</i> 2016 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.