Definition of nerve impulse in English English dictionary
The signal transmitted along a nerve fibre, either in response to a stimulus (such as touch, pain or heat), or as an instruction (such as causing a muscle to contract)
a wave of physical and chemical excitation along a nerve fiber in response to a stimulus
the electrical discharge that travels along a nerve fiber; "they demonstrated the transmission of impulses from the cortex to the hypothalamus"
A wave of physical and chemical excitation along a nerve fiber in response to a stimulus, accompanied by a transient change in electric potential in the membrane of the fiber
the electrical discharge that travels along a nerve fiber; "they demonstrated the transmission of impulses from the cortex to the hypothalamus