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Depolarization


In biology, depolarization is a change in a cell's membrane potential, making it more positive, or less negative. In neurons and some other cells, a large enough depolarization may result in an action potential. Hyperpolarization is the opposite of depolarization, and...
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Depolarization of axon terminals generally triggers the release of ... This depolarization is often caused by the injection of extra sodium cations ...
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Depolarization synonyms, Depolarization antonyms. Information about Depolarization in the free ... depolarisation. Depolarization of light ...
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Discusses right and left atrial enlargement, right and left ventricular hypertrophy, right and left bundle branch block, and other types of blocks.
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These arrhythmias arise from below bifurcation of the His bundle. Since depolarization of the two ventricles occurs asynchronously, the resulting QRS complex is wide.
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... one or more action potentials, which have the form of a spike of depolarization. ... The aaction potential is a large depolarization signal. ...
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What is depolarization? Meaning of depolarization medical term. What does depolarization mean? ... atrial premature depolarization (APD) see under complex. ...
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The quantity to describe the degree of polarization is the linear depolarization ratio ... The depolarization of the pure molecular atmosphere is nonzero, ...
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When these cells are rapidly depolarized to a threshold voltage of about -70 mV ... a rapid depolarization (phase 0) that is caused by a transient increase in fast ...
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... results in rapid depolarization of ventricular myocytes ... This leads to slower depolarization of adjacent cells, and reduced velocity of conduction. ...
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Membrane depolarization by phosphorylating CREB on Ser119 leads to the ... The depolarization-induced transcriptional activity of the CBP C-terminus was ...
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Membrane depolarization and subsequent synaptic release of L-glutamate have been ... Since, depolarization seems to be an earliest event during ischemic retinal ...
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Britannica online encyclopedia article on depolarization (bioelectricity), ...nerve impulse stimulates ion channels to open, positive ions flow into the cell and ...
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As the heart undergoes depolarization and repolarization, the electrical ... As a rule, electrical depolarization of these structures must precede the ...
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That this depolarization was replaced by a slow hyperpolarization in the ... Such depolarization could allow afferent excitatory postsynaptic potentials to ...
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