Search results
Hyperpolarization is a change in a cell's membrane potential that makes it more negative. It is the opposite of a depolarization. It inhibits action potentials by increasing the stimulus required to move the membrane potential to the action potential threshold.
24 lut 2022 · Hyperpolarization is a term that is used when referring to a process or act resulting in the membrane potential of a cell more negative than it typically is. Polarization is a condition wherein there are positive and negative electrical charges across the plasma membrane.
Definition. Hyperpolarization is a process in which the membrane potential of a cell becomes more negative relative to the resting potential, making it more difficult for the cell to reach the threshold for generating an action potential.
Repolarization returns the membrane potential to the -70 mV value of the resting potential, but overshoots that value. Potassium ions reach equilibrium when the membrane voltage is below -70 mV, so a period of hyperpolarization occurs while the K + channels are open.
Definition. Hyperpolarization is an increase in the membrane potential of a cell, making it more negative than the resting potential. This occurs when there is an influx of negative ions or an efflux of positive ions, which enhances the polarization of the cell membrane and makes it less likely to generate an action potential.
15 lut 2014 · Hyperpolarization Definition: Refers to a change in the value of the membrane potential, where the membrane potential becomes more negative than the resting membrane potential.
24 sie 2021 · Hyperpolarization is a shift in the membrane potential of a cell that causes it to become more negative. It is the inverse of depolarization. It suppresses action potentials by raising the stimulus necessary to push the membrane potential to the action potential barrier.
