nerve impulse


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nerve impulse

n.
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.

nerve impulse

n
(Physiology) the electrical wave transmitted along a nerve fibre, usually following stimulation of the nerve-cell body. See also action potential

nerve′ im`pulse



n.
a progressive wave of electric and chemical activity along a nerve fiber, stimulating or inhibiting action.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.nerve impulse - the electrical discharge that travels along a nerve fiber; "they demonstrated the transmission of impulses from the cortex to the hypothalamus"
electrical discharge - a discharge of electricity
action potential - the local voltage change across the cell wall as a nerve impulse is transmitted
References in periodicals archive ?
Muscle contractions are triggered by calcium ions that are released from storage sites in the cytoplasm of muscle fiber cells which are released when there is a nerve impulse from the fish's brain.
A nerve impulse, proves human electricity in the body.
A nerve impulse is a wave of electrical job that passes from one end of nerve cell to another.
A nerve impulse, shows human electricity in the body.
Among the topics are polyacrylamide hydrogels obtained by frontal polymerization and their properties, fulvic and humin acids in surface waters of Georgia, modeling the physical mechanism of activation (opening) of ion channels in nerve impulse transmission, and the thermal curing of composite-based epoxy.
MENTAL BIOLOGY: THE NEW SCIENCE OF HOW THE BRAIN AND MIND RELATE focuses on how the mind emerges from nerve impulse patterns in the brain- and why consciousness therefore can be seen as a neural-activity-based entity in its own right.
However, when spinal vertebra become misaligned, interference to the nerve impulse occurs, which reduces the overall function of the nervous system.
Each pathway is described according to the direction of the nerve impulse rather than by the embryologic outgrowth of the nerve.
In nerve cells, ion channels work with extreme precision: Sodium channels open for a fraction of a second to allow just enough sodium in to trigger a nerve impulse.
When the nerve impulse, originating in the brain, arrives at the nerve ending it releases a chemical called acetylcholine.
It was well known by this time that the nerve impulse was electrical in nature.
A nerve impulse, verifies human electricity in the body.