hydroxytryptamine (5-HT), an important neurotransmitter in the central nervous system, plays a major role in spinal antinociception, acting on 14 subtypes of 5-HT receptor.

• 羟色胺(5-HT)是神经系统内一种重要的神经递质,在脊髓水平的痛信息整合中扮演着重要的角色。