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词汇 depolarize
释义

Definition of depolarize in English:

depolarize

(British depolarise)
verb diːˈpəʊlərʌɪzdiˈpoʊləˌraɪz
[with object]Physics
  • Reduce or remove the polarization of.

    〔物理〕为…去极,为…去偏振

    the threshold necessary to depolarize the membrane

    为膜去极所需之临界点。

    Example sentencesExamples
    • The positive charge that they carry produces a further membrane depolarization, which activates additional sodium channels, so depolarizing the membrane even further.
    • Light passing through such a liquid crystal can be polarized and depolarized by changing the field and has led to the liquid crystal displays we see in watches, microwaves, and laptop computers today.
    • The ability of the plasma membrane to depolarize remains functional in the rho cells as evidenced by the release of insulin with the depolarizing agent KCl.
    • The flow of cations through the receptors rapidly depolarizes the postsynaptic membrane, and the signal is propagated along the electrically excitable membrane toward the next nerve cell.
    • Why a small proportion of resistant cells (or untreated sensitive cells) should have depolarized membranes is not known.

Derivatives

  • depolarization

  • noundiːˌpəʊlərʌɪˈzeɪʃ(ə)n
    Physics
    • Conversely, if a depolarizing process is much slower than the decay of the excited state, little depolarization will occur before emission.
      Example sentencesExamples
      • As the channel opens upon a depolarization, the trapped ion can escape to the intracellular medium increasing the stability of the bound toxin.
      • Whereas increasing temperature accelerated fluorescence depolarization, increasing solvent viscosity slowed the process down.
      • Localized depolarization within a mitochondrial reticulum leads to a virtually instantaneous depolarization of coupled mitochondria.
      • Polarization or depolarization of the membrane voltage opens the gate subunits and permits a flood of calcium ions through the cell membrane.

Definition of depolarize in US English:

depolarize

(British depolarise)
verbdēˈpōləˌrīzdiˈpoʊləˌraɪz
[with object]Physics
  • Reduce or remove the polarization of.

    〔物理〕为…去极,为…去偏振

    the threshold necessary to depolarize the membrane

    为膜去极所需之临界点。

    Example sentencesExamples
    • The positive charge that they carry produces a further membrane depolarization, which activates additional sodium channels, so depolarizing the membrane even further.
    • The ability of the plasma membrane to depolarize remains functional in the rho cells as evidenced by the release of insulin with the depolarizing agent KCl.
    • Light passing through such a liquid crystal can be polarized and depolarized by changing the field and has led to the liquid crystal displays we see in watches, microwaves, and laptop computers today.
    • The flow of cations through the receptors rapidly depolarizes the postsynaptic membrane, and the signal is propagated along the electrically excitable membrane toward the next nerve cell.
    • Why a small proportion of resistant cells (or untreated sensitive cells) should have depolarized membranes is not known.
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