repolarization
Americannoun
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repolarizations
plural
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the act or process of undergoing or causing to undergo polarization again.
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Medicine/Medical. the movement of potassium ions out of cardiac cells after contraction of the heart, returning the cells to their resting state for the next depolarization.
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Example Sentences
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
This is called repolarization, during which voltage- gated sodium channels close.
From Textbooks ● Jun. 9, 2022
The cell would not undergo repolarization, which is necessary to fire an action potential and then return the cell to the resting state.
From Textbooks ● Jun. 9, 2022
Finally, the T wave is generated by the repolarization of the ventricles and is followed by the next P wave in the next heartbeat.
From Textbooks ● Aug. 12, 2015
At this point, the calcium ion channels close and K+ channels open, allowing outflux of K+ and resulting in repolarization.
From Textbooks ● Jun. 19, 2013
This is called repolarization, meaning that the membrane voltage moves back toward the -70 mV value of the resting membrane potential.
From Textbooks ● Jun. 19, 2013
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