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AIM: The localization of CB1 receptors in the spinalcord, spinal roots, dorsal root ganglion (DRG), andperipheral nerve of the rat was determined.METHODS: We studied the distribution of CB1cannabinoid receptors by immunohistochemistry usingan antibody raised against the N-termina1 of thereceptor. RESULTS: The spinal cord showednumerous transverse fibers labelled for CB1 receptorsthroughout and concentrated in the dorsal horn.Lightly-stained cells were observed throughout thespinal cord gray matter. The DRG also showed cellsand fibers labelled for CB1 receptors. Labelled fiberswere observed in both dorsal and ventral roots as well as
AIM: The localization of CB1 receptors in the spinal cord, spinal roots, dorsal root ganglion (DRG), and peripheral nerve of the rat was determined. METHODS: We studied the distribution of CB1 cannabinoid receptors by immunohistochemistry using an antibody raised against the N-termina1 of thereceptor . RESULTS: The spinal cord showed numerous transverse fibers labeled for CB1 receptorsthroughout and concentrated in the dorsal horn. Lightly-stained cells were observed throughout thespinal cord gray matter. The DRGs also showed cells and fibers labeled for CB1 receptors. Labelled fiberswere observed in both dorsal and ventral roots as well as