The latin words cauda equina mean horse's tail, which is what early anatomists thought this nerve bundle looked like.

“Cauda equina”的拉丁文原意即为" 马的尾巴" ，就是早期解剖学家认为的神经束的样子。

Paper cuts directly damage the nociceptors in your outermost layer of skin, the epidermis, and those nerve bundles send pain signals to your brain.

剪纸会直接损伤皮肤最外层（表皮）中的伤害感受器，这些神经束会向大脑发送疼痛信号。