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Related to Hyperpolarization: hypopolarization, Graded potential


tr.v. hy·per·po·lar·ized, hy·per·po·lar·iz·ing, hy·per·po·lar·iz·es
To cause an increase in polarity, as across a biological membrane.
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.


(ˌhaɪpəˈpəʊləˌraɪz) or


vb (tr)
(Biology) biology physics to cause increased polarization
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014
References in periodicals archive ?
We now live in an age of "fake news" and hyperpolarization. Do you think things are better or worse or about the same when it comes to faith in media and politicians?
The initial step in the known light signal transduction pathways of animals is the absorption of photons, which isomerizes opsin-bound cofactors, allowing the activation of a G protein and either photoreceptor cell hyperpolarization or depolarization.
Fred Haberle, VP Sales, Americas, Aspect Imaging, states that "low field permanent magnet MRI will be the future of preclinical MRI due to low cost siting, throughput and the advent of low cost hyperpolarization."
The shift in autonomic balance towards parasympathodominance is proposed due to the generation of hyperpolarization current which initiates the synchronization of neural elements in the central nervous system, peripheral nervous system, and surrounding tissues.
Ivermectin showed it's effects by selective binding with glutamate gated and gamma-amino-butaric acid (GABA) gated chloride channels in the nervous system of mites, leads to hyperpolarization of cells, paralysis and finally death of mites (Aulakh et al., 2003).
Mutated [K.sub.ATP] channels show reduced sensitivity to ATP inhibition, resulting in membrane hyperpolarization and impaired insulin secretion (14).
There is currently no doubt that hyperpolarization of mitochondria and concomitant oxidative stress are associated with the development of serious pathologies, such as Alzheimer's disease, some cancers, and other conditions.
The drug blocks K+ channels involved in the establishment of early membrane hyperpolarization, thereby potentiating and prolonging membrane depolarization and the nerve impulse (2).
The pacemaker current channel (If) is a hyperpolarization activated cyclic nucleotide gated channel, and Ivabradine is the first sinoatrial node If current inhibitor which is unusual from the conventional heart rate reducing agents.
[9] Reported that high concentration of divalent ions (Mg and Ca) attracted by the negative charges of the outer membrane surface affected Na channel gating and could cause hyperpolarization. If the nerve fibre is hyperpolarized, it is more difficult to achieve the threshold level, and it results in the nerve conduction block.
The mainstay of most treatments for neuropathic pain includes utilization of gabapentin and pregabalin, which decrease cellular excitability through hyperpolarization [12, 13].