Nora Guthrie suffered from a disease that destroys the brain and nervous system.

VOA: special.2010.06.13

Another example is in the nervous system, patients that have Parkinson's disease have too little of a natural ligand called dopamine.

另一个例子有关神经系统,帕金森氏病的患者,缺乏一种叫做多巴胺的天然的配体

耶鲁公开课 - 生物医学工程探索课程节选

These substances can damage the human nervous system and natural defenses against disease.

VOA: special.2009.06.23