ranvier’s rings

Refractory period is the phase during which re-excitation of neurons is not possible after the arrival of an action potential. These refractory periods prevent retrograde propagation of excitation in the human body. In cardiology, a disturbance of the refractory period is present, for example, in phenomena such as ventricular fibrillation. What is refractory period? The … Refractory Period: Function, Tasks, Role & Diseases