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action potential |
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action potentialIn biology, a change in the potential difference (voltage) across the membrane of a nerve cell when an impulse passes along it. A change in potential (from about −60 to +45 millivolts) accompanies the passage of sodium and potassium ions across the membrane. How to thank TFD for its existence? Tell a friend about us, add a link to this page, add the site to iGoogle, or visit webmaster's page for free fun content. |
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