How To Use Depolarization In A Sentence
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This induces electrical current in neurons, causing depolarization that then has behavioral effects.
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Mechanical stimulation of both cultivars by probing with blunt micropipettes without penetrating the epidermal cells resulted in regular depolarizations each time the root was probed.
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The doubts thus thrown upon the question were removed by the experiments of Forbes, who first established the polarization and 'depolarization' of heat.
Six Lectures on Light Delivered In The United States In 1872-1873
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Locally it blocks the initiation and propagation of nerve impulses along an axon by interference with sodium permeability during depolarization. 3,11 Centrally it blocks the presynaptic reuptake of norepinephrine and dopamine.
Cocaine Toxicity
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There are proposed explanations for the end-of-life brain activity as non-functional, generalized neuronal depolarization.
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Next, we polarized mitochondria with succinate in the presence of rotenone to examine the effects of proton pumping on the transient depolarizations.
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The channel closed , but prepared to undergo a next activity phase in case of its depolarization.
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The results were wholly unexpected: Mercury has small, reflective polar caps with the distinctive depolarization behavior of ice.
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With ventricular depolarization of the site has a number of transient ECG integrated vector, in the face of the lead axis of projection, that is, limb-lead electrocardiogram of the QRS complex wave.
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Among the prime cellular targets of mercury are mitochondria, and thimerosal-induced cell death has been associated with the depolarization of mitochondrial membrane, according to the International Journal of Molecular Medicine among several others.
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Localized depolarization within a mitochondrial reticulum leads to a virtually instantaneous depolarization of coupled mitochondria.
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The voltage-gated Na + channel is critical for depolarization and conduction in most excitable cells.
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Cocaine blocks the initiation or conduction of nerve impulses following local application by blocking depolarization via sodium influx inhibition.
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Conversely, if a depolarizing process is much slower than the decay of the excited state, little depolarization will occur before emission.
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A second prerequisite for observing fluorescence depolarization from a CT complex is that the complex is emissive.
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This is the effect to which the term 'depolarization' has been applied; the experiment really proving that with both light and heat we have the same resolution by the plate of mica, and recompounding by the analyzer, of the ethereal vibrations.
Six Lectures on Light Delivered In The United States In 1872-1873
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These additions facilitate cathodic depolarization by providing sites of low hydrogen overvoltage, which shifts alloy potential in the noble direction where oxide film passivation is possible.
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The wave of depolarization/action potential is propogated from one end (dendritic end) to the terminal end of the axon.
Neurotoxicity
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However, even with prolonged depolarization, only a fraction of stored neuropeptides, called the releasable pool, can be secreted.
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It is the influx of sodium into the cell that is responsible for generating an action potential, which causes depolarization and conduction of the nerve impulse.
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A combination of polarizers, interference filters, and lenses was used between light source, sample, and photomultiplier to avoid artifacts from depolarization and misalignment.
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Perhaps more surprising, the authors found "dramatic depolarization in intergroup differences.
Bipolar Disorder
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In either case, there was no outward current through the channels during the depolarization.
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In guinea pig airways, anandamide stimulates sensory nerves by inducing depolarization.
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Only then will a greater level of understanding and, ultimately, improved relationships and depolarization, be possible.
Remember, we used to work together
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Polarization or depolarization of the membrane voltage opens the gate subunits and permits a flood of calcium ions through the cell membrane.
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It's called anoxic depolarization and it primarily results from the brain getting insufficient blood and oxygen after a stroke, says Dr. Sergei Kirov, neuroscientist in the Medical College of Georgia Schools of Medicine and Graduate Studies.
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During field stimulation of isolated cardiac myocytes, depolarization is achieved either by charge displacement or by net ionic current flow between the two electrodes.
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Replacement of NaCl for isosmotic sorbitol produced a slight depolarization of the membrane.
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In either case, there was no outward current through the channels during the depolarization.
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The scatter diagram shows the main direction of depolarization during a period of time.
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The patient is then closely observed for muscle fasciculations representing the first depolarization phase of succinylcholine activity.
The Neuropsychiatric Guide to Modern Everyday Psychiatry
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Whereas increasing temperature accelerated fluorescence depolarization, increasing solvent viscosity slowed the process down.
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An increase in turgor also causes a depolarization in the turgor-regulating charophytes Chara longifolia and Lamprothamnium succinctum.
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It is possible that depolarization forces internal polyamines through the pore, where they might accumulate in an unstirred extracellular space, blocking the channel during the measurement of inward conductance.
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In this respect, volatile anesthetics may alter the sensitivity of post junctional membranes to depolarization.
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The positive charge that they carry produces a further membrane depolarization, which activates additional sodium channels, so depolarizing the membrane even further.
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This introduces partial depolarization of the light.
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Current clamp experiments showed that GRO / KC caused a marked increase in excitability, including resting potential depolarization, decreased rheobase, and lower action potential threshold.
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Perhaps religion will one day do that, causing the depolarization of the parties along economic and foreign-policy lines, or the rise of a viable third party in some states.
The Case for Partisanship
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The depolarization opens the L-type calcium channels, causing inflow of calcium through the membrane into the cytosol.
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Depolarization of the presynaptic membrane causes release of acetylcholine into the synaptic cleft.
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The results were wholly unexpected: Mercury has small, reflective polar caps with the distinctive depolarization behavior of ice.
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As the channel opens upon a depolarization, the trapped ion can escape to the intracellular medium increasing the stability of the bound toxin.
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We developed a new method to determine the amplitude of flickers in terms of millivolts of depolarization.
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This local depolarization is known as an excitatory synaptic potential, and its amplitude is determined by the number of vesicles released from the presynaptic cell.
