皮肤有神经末梢。你说的日本针法是否是很贴近皮肤的斜向进针？

进针角度很小，贴近皮肤？  

神经末梢感知疼痛、触觉、压力和温度。皮肤的某些区域比其他区域包含更多的神经末梢。例如，指尖和脚趾含有许多神经，对触摸极为敏感。引自 Merck Manual, google 翻译

https://www.merckmanuals.com/home/skin-disorders/biology-of-the-skin/structure-and-function-of-the-skin#:~:text=The%20dermis%20contains%20nerve%20endings,more%20nerve%20endings%20than%20others.