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ion pump |
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ion pump [′ī‚än ‚pəmp] (electronics) A vacuum pump in which gas molecules are first ionized by electrons that have been generated by a high voltage and are spiraling in a high-intensity magnetic field, and the molecules are then attracted to a cathode, or propelled by electrodes into an auxiliary pump or an ion trap. 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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]-ATPase and other ion pumps and channels unevenly. Conversely, a shortage of nourishment or oxygen in the brain causes ATP formation to cease and the ion pump to close down, ending all nerve impulses and rapidly resulting in unconsciousness. Many other ion pumps have since been discovered, including the enzymes responsible for muscle contraction and the production of stomach acid. |
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