membrane potential

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membrane potential

[′mem‚brān pə‚ten·chəl]
(physiology)
A potential difference across a living cell membrane.
References in periodicals archive ?
Time evolution of membrane potentials of Newman-Watss network of HH neurons in the presence of chemical autapse is given as follows [16, 21-23, 25]:
The next several chapters dig into the methods and results of microscopic biology, and describe the electrical states of cells, including membrane potentials, ion channels, and action potentials.
ATP] current induced by pinacidil, command voltage pulses of 500 ms in duration to various membrane potentials (from -80 mV to +60 mV) were applied to the ventricular myocytes.
2011) Different roles of membrane potentials in electrotaxis and chemotaxis of dictyostelium cells.
Mitochondrial membrane potentials were measured by laser scanning microscopy and comparable results were obtained (Fig.
This K+ leakage is the main cause of the negative membrane potentials in all neurons.
About 19 hours after fertilization of the frogs' eggs, the membrane potentials of some cells in tadpoles' heads drop to about -20 millivolts, the researchers found.
In the presence of physiological mitochondrial membrane potentials, JC-1 forms aggregates that fluoresce with an emission peak at 588 nm.
Our model predicts that 1) the polarity of the T wave is mostly determined by the difference between local membrane potential and the average of all membrane potentials in the ventricles.
The activity-dependent short-term plasticity of EPSPs originating from B20 was further examined in experiments in which the postsynaptic membrane potentials of B16 and B8 were set to hyperpolarized levels.
Assuming that the membrane potentials across the characean plasma membrane and vacuolar membrane are -0.
Connelly found that autapse enhances the synchrony of basket cell membrane potentials across the network during neocortical gamma oscillations [18].

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