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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Noun Inflected Forms
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.
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
The lead II QRS signal also masks the repolarization of the atria, which occur at the same time.
From Textbooks ● Aug. 12, 2015
A stimulus will start the depolarization of the membrane, and voltage-gated channels will result in further depolarization followed by repolarization of the membrane.
From Textbooks ● Jun. 19, 2013
If depolarization reaches -55 mV, then the action potential continues and runs all the way to +30 mV, at which K+ causes repolarization, including the hyperpolarizing overshoot.
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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