The nerves outside of the brain and spinal cord, including the autonomic, cranial, and spinal nerves. Peripheral nerves contain non-neuronal cells and connective tissue as well as axons. The connective tissue layers include, from the outside to the inside, the epineurium, the perineurium, and the endoneurium. (MeSH. 2025. Peripheral Nerves. https://meshb.nlm.nih.gov/record/ui?ui=D010525)
