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Etymology: L, nervus, nerve, excitare, to rouse
the readiness of a nerve cell to respond to a stimulus. See also all-or-none law.
The property of a neuron to produce an action potential. This is a function of the permeability and the chemical and electrical state of the neuron cell membrane. Also, the intensity of electrical stimuli influences the excitability of the neuron.
See also: excitability