threshold potential वाक्य
उदाहरण वाक्य
मोबाइल
- The electrical potential at which this occurs is called the threshold potential.
- This specific value of depolarization ( in mV ) is otherwise known as the threshold potential.
- That is, the maximum diastolic potential is less negative and therefore exists closer to the threshold potential.
- As a result, the difference between resting potential and threshold potential is increased and firing is less likely.
- As ischemia occurs through inhibition of the sodium-potassium pump, abnormalities in the threshold potential are hence implicated.
- As opposed to the resting membrane potential, the threshold potential's conditions exhibited a balance of currents that were unstable.
- Since the experiment yielded results through the observation of ionic conductance changes, Hodgkin and Huxley used these terms to discuss the threshold potential.
- This increase in membrane potential ( depolarization ) typically allows it to reach the threshold potential at which the next pacemaker potential is fired.
- If that stimulus exceeds the threshold potential, the nerve or muscle fiber will give a complete response; otherwise, there is no response.
- Hyperpolarization, on the other hand, is employed to reduce neuronal activity by establishing a high threshold potential for firing across an action potential.
- If the sum of the stimuli reaches a certain voltage, known as the threshold potential, depolarization continues from the axon hillock down the axon.
- They soon discovered that at threshold potential, the inward and outward currents, of sodium and potassium ions respectively, were exactly equal and opposite.
- When a certain threshold potential is reached, the spiral ganglion neuron fires an action potential, which enters the auditory processing pathway of the brain.
- Most often, the threshold potential is a membrane potential value between 50 and 55 hyperpolarize the cell and thus inhibit threshold from being reached.
- Furthermore, it can be used to identify characteristics of significant medical conditions through comparing the effects of those conditions on threshold potential with the effects viewed experimentally.
- As various drugs and other factors act on the resting potential and bring it closer to the threshold potential, an action potential is more easily and rapidly obtained.
- Likewise, when the sodium channels are in a state of greater activation, then the influx of sodium ions that allows the membrane to reach threshold potential occurs more readily.
- At this stage, end-plate potentials ( EPPs ) can still be detected, but are too small to reach the threshold potential needed for activation of muscle fiber contraction.
- With patch clamp recording, an analogous state was replicated " in vitro " in rat cortical neurons after induction of febrile body temperatures; a notable decrease in threshold potential was observed.
- Each excitable patch of membrane has two important levels of membrane potential : the resting potential, which is the value the membrane potential maintains as long as nothing perturbs the cell, and a higher value called the threshold potential.
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