CBGA TRPA1 9THC TRPV4 Diseases Cancer hippocampal PPARα Terpenes substantia nigra Brain PPARγ THC Cannabinoid Receptors memory TRPM8 CBG Plant Cannabinoids CB1 nervous system NarGly Pain hippocampus CBC Endocannabinoids TRPV1 Anandamide TRPV3 anti-inflammatory microglia tumor CBD appetite cerebellum Δ9THC PEA CBDV Other Disorders & Therapeutic Uses GPR119 Metabolic Disorders Synthesizing & Degrading Enzymes CB2 cells CBDA THCV putamen Anandamid 2AG immune system Brain Disorders stem TRPV2 pancreas thalamus OEA CBN THCA Immune Disorders NADA GPR55