Membrane Potentials
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).
Year introduced: 1968(1967)
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Subheadings:
Tree Number(s): G01.154.535, G04.580, G07.265.675, G11.561.570
MeSH Unique ID: D008564
Entry Terms:
- Membrane Potential
- Potential, Membrane
- Potentials, Membrane
- Transmembrane Potentials
- Potentials, Transmembrane
- Potential, Transmembrane
- Transmembrane Potential
- Transmembrane Potential Difference
- Differences, Transmembrane Potential
- Difference, Transmembrane Potential
- Potential Differences, Transmembrane
- Potential Difference, Transmembrane
- Transmembrane Potential Differences
- Transmembrane Electrical Potential Difference
- Delta Psi
- Resting Potentials
- Potential, Resting
- Potentials, Resting
- Resting Potential
- Resting Membrane Potential
- Membrane Potential, Resting
- Membrane Potentials, Resting
- Resting Membrane Potentials
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