A nerve impulse is an electrical phenomenon that occurs because of a difference in electrical charge across the plasma membrane of a neuron. The sodium-potassium pump maintains an electrical gradient across the plasma membrane of a neuron when it is not actively transmitting a nerve impulse.

Define nerve impulse. nerve impulse synonyms, nerve impulse pronunciation, nerve impulse translation, English dictionary definition of nerve impulse. n.

Dimensionless Variables. 3.17. 53. Buckingham's Theorem. 4. 55. Simplified Models.

Nerve impulse

Nerve impulse definition is - the progressive physicochemical change in the membrane of a nerve fiber that follows stimulation and serves to transmit a record of sensation from a receptor or an instruction to act to an effector —called also nervous impulse. Start studying Nerve Impulse. Learn vocabulary, terms, and more with flashcards, games, and other study tools. nerve impulse: [ im´puls ] 1.

2016-11-14 · Depolarization is the process by which the neuron‘s membrane potential increases positively. Since the neuron normally sits at a potential of -70 mV, increasing the potential towards 0 mV decreases the total polarity of the cell.

A nerve impulse is an electrical phenomenon that occurs because of a difference in electrical charge across the plasma membrane of a neuron. The sodium-potassium pump maintains an electrical gradient across the plasma membrane of a neuron when it is not actively transmitting a nerve impulse.

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nerve impulse a wave of depolarization, in the form of an action potential, that is propagated along a neuron or chain of neurons as the means of transmitting

×. Article · References · Citing Articles (2). Many translated example sentences containing "nerve impulse" – Swedish-English dictionary and search engine for Swedish translations. Action Potential — Potential, Action — Potentials, Action — Spike Potentials — Potential, Spike — Potentials, Spike — Spike Potential — Nerve Impulses The propagation of the NERVE IMPULSE along the nerve away from the site of an excitation stimulus.

More than a century ago, when it was discovered that the nerve impulse contains electrical changes, scientists thought that the impulse was a simple electrical current transmitted through a neuron, just like other currents flowing through wires. It was later revealed that the speed of a nerve impulse was much All nerve cells (neurons) generally consist of 4 parts: the cell body, dendrites, an axon, and synaptic end bulbs.
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The interior of a resting nerve fibre is negative relative to its exterior due to the presence of a high concentration of sodium ions (red) outside of the cell. When stimulated, voltage-gated sodium channels (blues) in the Currently, a scientific debate is ongoing about modeling nerve impulse propagation.
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Synonym. nerve impulse, nervous impulse, neural impulse, impulse. Definition, förklaring. the electrical discharge that travels along a nerve fiber

See also point of maximal impulse . impulse control disorders a group of mental disorders characterized by repeated failure to Impulses are the basis of mind. One of the greatest, relatively underappreciated, discoveries in all of science was the discovery of the nerve impulse in the 1930s by the British Lord Adrian.

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A neuron that emits an action potential, or nerve impulse, is often said to "fire". Action potentials are generated by special types of voltage-gated ion channels embedded in a cell's plasma membrane .