The results indicate that the endogenous 5-HT in LHA may exert a tonic inhibitory influence on pain-sensitive units of pf.
本实验结果提示：LHA局部的内源性5-HT参与该区对丘脑水平痛信息的抑制性调控过程。
2
Never forget that the research that we are so reluctant to conduct upon embryos and dead bodies is routinely carried out on living, pain-sensitive animals.
永远不要忘记我们如此不愿进行的胚胎和尸体的研究正在一些活生生的、有疼痛知觉的动物上照常实行。
3
Scientists have known about the HCN2 gene, which is found in pain-sensitive nerve endings, for several years, but had not yet fully understood its role in regulating pain.