Image:RC membrane circuit.jpg

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A drawing I made of a basic RC circuit superimposed on a membrane bilayer. Made in CorelDraw!

Caption (from action potential):

Part A: A basic RC circuit, superimposed on an image of a membrane bilayer to show the relationship between the two. Part B: A more elaborate RC circuit, superimposed on an image of a membrane bilayer. This RC circuit represents the electrical characteristics of a minimal patch of membrane containing at least one Na and two K channels. Elements shown are the transmembrane voltages produced by concentration gradients in potassium (green) and sodium (blue), The voltage-dependent ion channels that cross the membrane ( variable resistors;K=green, Na=blue), the non-voltage-dependent K channel (black), and the membrane capacitance.


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Permission is granted to copy, distribute and/or modify this document under the terms of the GNU Free Documentation License, Version 1.2 and no other versions published by the Free Software Foundation; with no Invariant Sections, no Front-Cover Texts, and no Back-Cover Texts.
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File history

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  • (del) (cur) 16:34, 6 July 2005 . . Synaptidude ( Talk | contribs) . . 1423×604 (102,686 bytes) (A schematic diagram showing the (A) basic electrical characteristics of a biological membrane as an RC circuit, and (B) a more elaborated view showing the electrical elements necessary to carry currents underlying an action potential. Drawn by ~~~~ in Co)
  • (del) (rev) 01:15, 6 July 2005 . . Synaptidude ( Talk | contribs) . . 480×595 (33,879 bytes) (A drawing I made of a basic RC circuit superimposed on a membrane bilayer. Made in CorelDraw! {{GFDL 1.2}})

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