As an important sample to enrich the contents of medical physics, excitable system in nonlinear dynamics is inducted, and used to character the properties and behavior of neuron and cardiac cell.

• 作为充实医学物理学教学的一个重要尝试,我们将非线性动力学中的可激发系统引入教学当中,用来描述神经元、心肌细胞等的性质和行为。