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“action potentiality”
action potentiality
1. An abrupt, brief reversal in the resting membrane potential of a neuron and other excitable cells.
2. The local voltage change across a cell wall as a nerve impulse is transmitted.
3. A momentary change in electrical potential on the surface of a nerve or muscle cell that takes place when it is stimulated; especially, by the transmission of a nerve impulse.
2. The local voltage change across a cell wall as a nerve impulse is transmitted.
3. A momentary change in electrical potential on the surface of a nerve or muscle cell that takes place when it is stimulated; especially, by the transmission of a nerve impulse.
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