临床神经病学和神经外科杂志

Neurophysiology Effects of Action Potentials and Ion Channels

Abstract

Hazel Scarlett

A fast collection of variations in the voltage over a layer could constitute an activity potential. The layer voltage, or potential, is determined at any one time by the ratio of extracellular to intracellular particles, as well as the porousness of each particle. An ATP-driven pump (Na/K-ATPase) actuates the development of sodium particles out of the cell and potassium particles into the cell to reestablish the proper particle balance. Despite the fact that activity possibilities are frequently discussed in the context of neuronal cells, they also occur in a variety of other volatile cells, such as heart muscle and a few endocrine cells. There can be critical changeability within a population of neurons in terms of the cell's basic electrical properties, such as resting potential, most extreme termination rate, resistance to current, and the range of activity possibilities. These variables are influenced by the number, area, and energy of particle channels within the membrane.