neamine

例句：

1. 1. The neurotransmitter serotonin plays a crucial role in regulating mood and sleep.
   神经递质血清素在调节情绪和睡眠方面起着关键作用。
2. 2. The skin's barrier function is maintained by the presence of neuroamines, which protect against environmental stressors.
   皮肤屏障功能的维持依赖于神经胺的存在，它们能够抵御环境压力。
3. 3. Neuroamines also play a role in memory formation and learning, as they can modulate the activity of neuronsin the brain.
   神经胺还参与记忆形成和学习过程，因为它们可以调控大脑神经元的活动。