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Action potential


An action potential is a transient alteration of the transmembrane voltage across an excitable membrane generated by the activity of voltage-gated ion channels embedded in the membrane. Action potentials play multiple roles...
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The cardiac action potential is a specialized action potential in the heart, with unique properties necessary for function of the electrical conduction system of the heart.
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Important Features of the Neuronal Action Potential. Refractory Periods. Na+ and K+ Concentrations Do Not Change during an Action Potential ...
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refractory period the period immediately after an action potential, in which it is difficult or ... The action potential is the all-or-nothing electrical ...
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This spike of depolarization represents the action potential. ... There is thus no loss of signal as an action potential travels along an axon. ...
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Textbook Reference - Figure 44.9, p. 851 ...
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Action potential: A brief reversal of membrane. charge that moves down the axon, causing an ... you see here, an action potential. is simply an electrical ...
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Action Potentials. Myelinated Neurons. Multiple sclerosis. The refractory period ... action potential ... this way, the action potential jumps from one ...
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4 Action potential propagation. 5 Saltatory conduction. 6 Refractory period. 7 Noteworthy characteristics of the action potential. 8 Detection and observation ...
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Keep in mind that the action potential runs down the axon, but doesn't typically ... There's no such thing as a big and a little action potential. ...
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An action potential is a wave of electrical discharge that travels along the membrane of a cell. ... and therefore each action potential—has a falling phase, ...
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The action potential in one localized area is enough to stimulate the opening of ... When it starts an action potential, it stimulates the next Na+-K+ gate in ...
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A newer version of this article is available: see Action potential at Schools Wikipedia ... Typically action potential initiation occurs at a synapse, but may occur ...
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The action potential sequence is essential for neural communication. ... the system toward neutrality and prevent the creation of the action potential. ...
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3 Estimations of the number of ions involved in generating the upstroke of the action potential ... animated gif illustrates action potential propagation in an ...
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Home What You Get Clients About Us Resources Contact Support ... Copyright © 2001-2009 by Action Potential Networks, Inc.. All rights reserved. ...
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