from The American Heritage® Dictionary of the English Language, 4th Edition

  • transitive v. To cause an increase in polarity, as across a biological membrane.

from Wiktionary, Creative Commons Attribution/Share-Alike License

  • v. To increase the polarity of something, especially the polarity across a biological membrane.


hyper- +‎ polarize (Wiktionary)


  • Amacrine cells, which share the histamine receptors of LMCs, should hyperpolarize to light increments and contribute in the sensitivity control of R-LMC synapses

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  • In addition, it has been shown that strychnine (a glycine antagonist) but not Bic iontophoresis on motoneurons reverse their hyperpolarization during PS indicating that the premotoneurons responsible use glycine and not GABA to hyperpolarize them during PS

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