Olfactory receptor structure (IMAGE) Rockefeller University Caption The channel pore (blue) of an olfactory receptor dilates (pink) when an odor molecule binds the receptor. Credit Laboratory of Neurophysiology and Behavior at The Rockefeller University. Usage Restrictions Image may be used to illustrate research described in the accompanying release. License Original 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.