any kind of anion. The opposite of a depolarization is called a hyperpolarization. Usage of the term "depolarization" in biology differs from its use in...
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Electrocardiography (redirect from Atrial depolarization)
an ECG: The P wave, which represents depolarization of the atria. The QRS complex, which represents depolarization of the ventricles. The T wave, which...
95 KB (10,362 words) - 16:20, 15 May 2025
A depolarizer or depolariser, in electrochemistry, according to an IUPAC definition, is a synonym of electroactive substance, i.e., a substance which...
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Look up depolarization in Wiktionary, the free dictionary. Depolarization or depolarizer may refer to: Depolarization, a decrease in the absolute value...
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perpendicular, would have a depolarization ratio of 1/10 = 0.1, which corresponds to a highly polarized band. The value of the depolarization ratio of a Raman band...
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liquid crystals. It is also possible to depolarize light using fiber optics. Relatively high degree of depolarization is also achieved by light passing through...
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Neuromuscular-blocking drug (redirect from Neuromuscular depolarizing agent)
receptors. Depolarizing blocking agents: These agents act by depolarizing the sarcolemma of the skeletal muscle fiber. This persistent depolarization makes...
60 KB (6,872 words) - 07:06, 6 February 2025
Cortical spreading depression (redirect from Spreading depolarization)
or spreading depolarization (SD) is a wave of electrophysiological hyperactivity followed by a wave of inhibition. Spreading depolarization describes a...
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will be decreased as opposed to increased. Possibly resulting from the depolarization of the S4 segments and the little time given for inactivation. For long...
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pacemaker phase, or slow diastolic depolarization or phase 4. The duration of this slow diastolic depolarization (pacemaker phase) thus governs the cardiac...
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currents could be invoked simply by depolarization of the target cell, this phenomenon was termed depolarization-induced suppression of inhibition. While...
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stimulus, there is an efflux of Chloride from the cell, resulting in depolarization of the cell. This causes the GDPs. Once the KCC2 expression is relatively...
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wave (the onset of atrial depolarization) until the beginning of the QRS complex (the onset of ventricular depolarization); it is normally between 120...
4 KB (377 words) - 13:04, 24 September 2024
action potential consists of three phases. Phase one is depolarization. During depolarization, voltage-gated sodium ion channels open, increasing the...
11 KB (1,304 words) - 11:40, 16 November 2024
initial membrane depolarization leads to uncontrolled deflection of the membrane potential to near VNa. The initial depolarization must reach or surpass...
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End plate potentials (EPPs) are the voltages which cause depolarization of skeletal muscle fibers caused by neurotransmitters binding to the postsynaptic...
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of sodium leads to a short term depolarization of the postsynaptic neuron and an EPSP. While a single depolarization of this kind may not have much of...
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specific cell rapidly rises and falls. This depolarization then causes adjacent locations to similarly depolarize. Action potentials occur in several types...
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that continuously cycle through depolarization- and repolarization phases. However, not every cycle reaches depolarization threshold and thus an action potential...
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Threshold potential (section Depolarization)
larger the stimulus, the greater the depolarization, or attempt to reach threshold. The task of depolarization requires several key steps that rely on...
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atrial depolarization, which results in atrial contraction, or atrial systole. The P wave is a summation wave generated by the depolarization front as...
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ions entering the cell cause the depolarization characteristic of an action potential. Like skeletal muscle, depolarization causes the opening of voltage-gated...
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A quantum depolarizing channel is a model for quantum noise in quantum systems. The d {\displaystyle d} -dimensional depolarizing channel can be viewed...
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enable them to locally depolarize adjacent cells. Gap junctions allow the passage of positive cations from the depolarization of the pacemaker cell to...
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a Ca2+-mediated depolarization, which causes voltage-gated Na+ channels to open, resulting in action potentials. This depolarization is followed by a...
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displacement of the hair bundle, resulting in depolarization or hyperpolarization of the hair cell. The depolarization of the hair cells in both instances causes...
6 KB (762 words) - 16:39, 16 December 2023
setting step depolarizations the soma have been used to create DSIs, but it can also be achieved through synaptically induced depolarization of the dendrites...
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the cell would go on to fire the next action potential. The rate of depolarization is the slope: the faster voltage increases, the steeper the slopes are...
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Anoxic depolarization is a progressive and uncontrollable depolarization of neurons during stroke or brain ischemia in which there is an inadequate supply...
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whereby losing their net alignment and thus the material become depolarized. This depolarization can be measured if the material is sandwiched between two ohmic...
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