hyperpolarize


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Related to hyperpolarize: depolarize

hyperpolarize

(hī′pər-pō′lə-rīz′)
tr.v. hyperpolar·ized, hyperpolar·izing, hyperpolar·izes
To cause an increase in polarity, as across a biological membrane.
References in periodicals archive ?
It is able to shorten the action potential duration in both PV and LA cells but significantly hyperpolarizes the resting membrane potential and increases dV/[dt.
These results demonstrate that depending on the tissue and the experimental conditions, vasoconstrictor and vasodilator factors possess dilator or constrictor properties, and can hyperpolarize or depolarize vascular smooth muscle cells (VSMCs) (28, 44).
Activation of the receptor can hyperpolarize neurons through the influx of negative charges at membrane potentials below the threshold for action potential generation.
Since acetylcholine did not hyperpolarize the LC neurons (181), it was proposed (186) that the actual inhibition of REM-OFF neurons in the LC might be caused by an inhibitory neurotransmitter, which might be triggered by acetylcholine, leading to the generation and regulation of REM sleep.
i] proteins and hyperpolarize in response to light through the closing of leaky Na+ channels (Fain et al.
Secondly we propose an innovative strategy to hyperpolarize nuclear spins using MAS-DNP: rather than polarizing the entire system uniformly, we will selectively light up regions where we wish to gather important structural information.
ATP] openers would hyperpolarize cell membrane, shorten action potential duration, inhibit calcium influx, and finally lead to a cardioprotective effect by depression of contractility [11-13].
DISCUSSION: Retina acts as a transducer to convert light energy to neuronal signals and which is directly propotinal to illuminance Light sensitive photo receptors cones hyperpolarize in response to light and these cells translate the visual image impinging upon the retina into continuous action potentials which propagates along the optic pathway to the visual centers within the brain.
Hair cells in back of the centrifugal force vector hyperpolarize in response to rotation.
currents that hyperpolarize the nodal cell and oppose pacing.
Moreover, there are regional differences in the photoresponse: caudal hair cells depolarize; rostral cells hyperpolarize.
Its effect on the muscle potential is inhibitory-that is, it produces ionic permeability changes that hyperpolarize the muscle membrane and move its excitability away from the threshold for contraction , thereby modifying the nature of the contraction produced by exciter activity.