Figure 1
From: The multiple functions of the endocannabinoid system: a focus on the regulation of food intake

Both Δ 9 -tetrahydrocannabinol, the psychoactive component of Cannabis sativa , and anandamide, an endogenous neurotransmitter in the human brain, bind to the same cannabinoid receptor. (Photos/Diagrams from the Max Planck Institute of Psychiatry [42]).