旁人能看见你的疤，但终究感觉不到你的痛。
虽然看起来很痛，但事实上这种感觉棒极了，让人十分放松。
It looks painful, but actually it feels amazing and it's very relaxing.
医生：注射麻药时会有点痛，但手术时就不会感觉痛了。
Doctor: the injection may hurt a little, but it'll prevent your feeling any pain during the operation.
我其实已经很焦虑了，因为长期处于痛苦不堪的日子里，我的躯体僵硬如木，但痛觉神经却高度紧张，然而令人惊奇的是，我只感觉到了针刀的一点点痛。
I was already anxious because I had been in chronic pain for days, my body was stiff and my pain receptors were on high alert, but surprisingly, I felt little pain from the needles.
但其详细机制并未完全阐明。近年来研究表明，脊髓后角神经元内蛋白激酶C（PKC）的激活和位移与痛感觉及痛过敏的形成有关。
Many studies in recent years indicated that the activation and translocation of protein kinase C (PKC) of neurons in the dorsal horn of spinal cord was related with hyperalgesia.
此外，内异症患者IPT的VAS评分显著高于正常妇女，EPT的痛阈则明显低于后者，但感觉阂值无显著差异。
Moreover, patients with endometriosis had significantly higher IPT VAS scores and EPT pain threshold than controls without any deterioration in sensory threshold.
此外，内异症患者IPT的VAS评分显著高于正常妇女，EPT的痛阈则明显低于后者，但感觉阂值无显著差异。
Moreover, patients with endometriosis had significantly higher IPT VAS scores and EPT pain threshold than controls without any deterioration in sensory threshold.
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