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| the movement of an organism in response to a stimulus such as light |
| the body's oxygen deficiency resulting from strenuous physical activity |
| nerve impulse | |
| —n | |
| See also action potential the electrical wave transmitted along a nerve fibre, usually following stimulation of the nerve-cell body | |
| Main Entry: | nerve impulse |
| Part of Speech: | n |
| Definition: | a signal transmitted along a nerve fiber, starting with stimulation and then a wave of progressive alteration of electricity and becoming a record of sensation or instruction to act |
nerve impulse n.
A wave of physical and chemical excitation that moves along a nerve fiber in response to a stimulus.