depolarisation

[US]/diːˌpəʊləˈraɪʃən/
[UK]/diˌpoʊləˈreɪʃən/
Frequency: Very High

Translation

n.the process of reducing or eliminating the electric charge across a cell membrane, making the membrane potential less negative; the process of removing magnetization from a material; demagnetisation
v.to cause depolarisation; to remove polarization or magnetization
Word Forms

Phrases & Collocations

membrane depolarisation

depolarisation phase

rapid depolarisation

depolarisation block

complete depolarisation

sodium depolarisation

electrical depolarisation

cardiac depolarisation

inducing depolarisation

depolarisation wave

Example Sentences

membrane depolarisation occurs when the membrane potential becomes less negative.

neuronal depolarisation is essential for signal transmission in the brain.

the depolarisation threshold must be reached for an action potential to fire.

sodium channels mediate the rapid depolarisation phase of the action potential.

synaptic depolarisation occurs when neurotransmitters bind to postsynaptic receptors.

the depolarisation wave propagates along the axon during nerve impulse transmission.

calcium entry follows depolarisation and triggers neurotransmitter release.

cardiac depolarisation coordinates the contraction of heart muscle cells.

depolarisation of the muscle fiber leads to mechanical contraction.

voltage-gated sodium channels open during depolarisation.

the depolarisation process can be modulated by various pharmacological agents.

abnormal depolarisation patterns are associated with several neurological disorders.

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