“Epidermal nerve fibers are unencapsulated nerve endings that detect noxious stimuli to conduct pain. In addition, sensory neurons innervating the epidermis are involved in the itch induction。” https://www.nature.com/articles/s41598-019-44866-0
“表皮神经纤维是未包裹的神经末梢，可检测有害刺激以传导疼痛。此外，支配表皮的感觉神经元参与了瘙痒的诱导。”（google 机器翻译）
