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DeCS
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Descriptor English:
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Membrane Potentials
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Descriptor Spanish:
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Potenciales de la Membrana
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Descriptor Portuguese:
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Potenciais da Membrana
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Synonyms English:
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Resting Potentials
Transmembrane Potentials
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Tree Number:
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G01.154.535
G04.580
G07.265.750
G11.561.570
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Definition English:
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The voltage differences across a membrane. For cellular membranes they are computed by subtracting the voltage measured outside the membrane from the voltage measured inside the membrane. They result from differences of inside versus outside concentration of potassium, sodium, chloride, and other ions across cells' or ORGANELLES membranes. For excitable cells, the resting membrane potentials range between -30 and -100 millivolts. Physical, chemical, or electrical stimuli can make a membrane potential more negative (hyperpolarization), or less negative (depolarization). |
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Indexing Annotation English:
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coordinate with organ /physiol
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History Note English:
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68(67)
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Allowable Qualifiers English:
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Record Number:
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8734
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Unique Identifier:
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D008564
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Occurrence in VHL:
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Similar:
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DeCS CID-10 SciELO LILACS LIS
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