Are they the same issue? Simply put, no. Remember that nerves are present in the PNS, and they are composed of bundles of nerve fibers (axons). The neurons However are just the cells on the nervous technique. Some nerve fibers (axons) and they are enveloped in myelin sheath, a lipid https://www.theorthopaedicandpainpractice.com/understanding-burning-pain-in-the-upper-right-arm-causes-symptoms-and-treatment-options/