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.
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
During repolarization, no more sodium can enter the cell.
From Textbooks ● Jun. 19, 2013
Figure 19.20 Action Potential at the SA Node The prepotential is due to a slow influx of sodium ions until the threshold is reached followed by a rapid depolarization and repolarization.
From Textbooks ● Jun. 19, 2013
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
Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.
