Are they the identical factor? To put it simply, no. Recall that nerves are present in the PNS, and they are composed of bundles of nerve fibers (axons). The neurons on the other hand are only the cells with the nervous program. Some nerve fibers (axons) and they are enveloped https://www.theorthopaedicandpainpractice.com/understanding-burning-pain-in-the-upper-right-arm-causes-symptoms-and-treatment-options/