A Neuron Grown in a Dish (IMAGE) University of Bristol Caption Cannabinoid receptor 1 is found on the surface of the long, thin axon (yellow), but not the dendrites (purple) Credit University of Bristol Usage Restrictions The image is for single use, should be credited and should not be archived 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.