The Pathway Ontology (PW), is currently being developed at the Rat Genome Database. For more information about this vocabulary, please see Petri et al. The rat genome database pathway portal. Database (Oxford). 2011 Apr 8;2011:bar010. Print 2011 or contact us (http://rgd.mcw.edu/contact/index.shtml).
The signaling pathway initiated by the endogenous cannabinoids that activate the G-protein-coupled (GPCR) cannabinoid receptors and utilize a retrograde route from the postsynaptic to the presynaptic neuron.