去极化(depolarization)又称除极化，是指将膜极化状态变小的变化趋势或者静息电位向膜内负值减小的方向变化。如右图所示，去极化为ab阶段。去极化是通过向膜外的电流流动或改变外液的离子成分而产生的。
去极化 [qù jí huà]
vt. depolarize
misc. unpolarizing
网络释义专业释义
...描述细胞膜内外侧电荷分布状态变化常用术语：极化（polarization）状态：静息时，细胞膜外正内负状态。去极化（depolarization） ：RP绝对值减小过程。反极化：膜电位外负内正状态。
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...性受体结合 ↓ 突触后膜对一价正离子（Na + 、K + , 尤其 是Na + ）通透性↑, Na + 内流 ↓ 突触后膜产生局部膜的去极化（EPSP） 40 41 （2）抑制性突触后电位(inhibitory postsynaptic potential, IPSP)： 突触后膜的膜电位在递质作用下产生超 极化，使该突触...
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短语
去极化剂 [助剂] depolarizer ; depolarizing agent
去极化电极 impolarizable electrode ; depolarizing electrode ; [分化] [电子] depolarized electrode
去极化作用 [生理] depolarization ; unpolarizing
非去极化型肌松药 nondepolarizer ; nondepolarizing muscular relaxants
去极化辐射 depolarizing radiation
去极化肌松药 depolarizing muscle relaxants ; depolarizing relaxant
光去极化 photodepolarization
非去极化肌松药 nondepolarizing muscle relaxants ; non-depolarizing muscular relaxant ; NDMR
延迟去极化 delay depolarization
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depolarization - 引用次数：74
7. Koumine depresses membrane depolarization on mouse peritoneal macrophages.
7.钩吻素子体外轻度抑制小鼠腹腔巨噬细胞膜去极化。
参考来源 - 钩吻素子对小鼠免疫细胞功能影响的实验研究 -
depolarization - 引用次数：33 参考来源 - 变压器老化评估的极化去极化电流分析法depolarizing - 引用次数：8 参考来源 - 高压液体钽电容器工作电解质的研究depolarize - 引用次数：1 参考来源 - 动力电池智能充电器及镍氢电池快速充电方法的研究
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depolarization - 引用次数：28
Typical primary pacemaker cells have the highest intrinsic frequency in firing. Following its firing, there is a slow depolarization called pacemaker potential.
位于右心房窦房结内的起搏细胞具有最高的固有发放节律，每次发放后即出现一个缓慢的自动去极化过程，心率主要取决于起搏细胞去极化的斜率。
参考来源 - 心肌反应性与放电节律动力学状态的关系depolarize -
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双语例句原声例句
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早期去极化后也可引起充血性心衰的心律失常。
Early afterdepolarizations are also responsible for the arrhythmias of congestive heart failure.
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已经确证，心肌收缩始于动作电位使肌膜去极化。
It is well established that the cardial contraction is initiated when an action potential depolarizes the sarcolemma.
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研究了两种去极化剂对液体钽电容器高频电性能的影响。
In this paper, the influence of two depolarizers on high-frequency electrical performance of wet tantalum capacitors is studied.
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This part of the cell becomes depolarized because it gets the message that it's supposed to depolarize because of all the inputs that impinge on these dendrites.
这一部分细胞会去极化,因为它得到了,树突上接受到的神经冲动所传达的,要求它去极化的信息
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Now, that rapid rise is called depolarization and the membrane is said to be in a depolarized state because it's less polarized or less negatively charged repolarized as negatively charged.
这个迅速上升过程称为去极化,我们称膜处于去极化状态,因为膜的极化程度降低了,或者说是带的负电减少了,而复极化就代表重新带上负电荷
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That happens, and if I was looking at a region of membrane that was experiencing an action potential I would see voltage change in just the way it's shown in this graph here.
当去极化发生时,如果我观察一个经历动作电位的区域,我就会看到这样的电压变化,就像这幅图上展示的一样
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