If you think about receptor ligand system as an input into the cell.

如果将受体-配体系统看作,细胞的一种输入机制的话

耶鲁公开课 - 生物医学工程探索课程节选

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

We're going to talk about this kind of non-covalent interaction more when we talk about the immune system, because one example of ligand and receptors that's important in the immune system are antigens - foreign molecules, and antibodies - molecules that we produce.

当我们讲到免疫系统的时候,会更详细地谈到这种非共价化合反应,因为在免疫系统中,一个重要的配体受体结合反应,就是抗原,即外源分子,与抗体,这个人体自身产生的分子结合

耶鲁公开课 - 生物医学工程探索课程节选