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It is well established that the cardial contraction is initiated when an action potential depolarizes the sarcolemma.

证,心肌收缩始动作电位使肌化。

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双语版 TED-Ed 演讲精选

They transmit signals down their axons by way of electrical impulses, or action potentials.

它们通过子脉冲或把信号向下传递给神经轴突。

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双语版 TED-Ed 演讲精选

These compounded factors can raise the speed of an action potential as high as 432 kilometers per hour.

这些复合因素可以将提速至每小时 432 公里。

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TED演讲(视频版)双语精选

So now we've paused on one motor action potential that's happening right now inside of your brain.

我们现在暂停在此时此刻正在你脑内一个运势。

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Osmosis-神经

Myelin is extremely important to neurons, because it helps to allow an action potential to propagate much faster.

髓鞘对于神经元十分重要,因为它可以极大地加速传播。

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休伯曼实验室

As you're listening to a chorus of action potentials.

当您正在聆听合唱时。

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TED演讲(视频版) 2017年10月合集

That is an action potential that is happening inside the plant.

这是植物内部发生

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TED演讲(视频版) 2017年10月合集

OK. So here we see an action potential encoding information to move. Alright?

。 所以在这里我们看到了编码信息。 好吧?

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TED演讲(视频版) 2017年10月合集

What do we get? We get a beautiful action potential.

我们得到什么? 我们获得了漂亮

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Osmosis-神经

Since chloride has a negative charge, it makes the inside of a cell more negative, and that inhibits an action potential.

由于氯离子带负,这可导致细胞内负荷积聚,来抑制

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TED演讲(视频版) 2017年10月合集

We've even seen an action potential in a human.

我们甚至已经在人类身上看到了

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Osmosis-神经

Since calcium has a positive charge, it makes the inside of the cell more positive, and that helps trigger an action potential.

由于钙离子带正,这可导致细胞内正荷积聚,来触发

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TED-Ed(视频版)

So even if the brain sends a signal, the muscle cell can’t generate the action potential necessary to contract.

因此, 即使大脑发出信号,肌肉细胞也无法产生收缩所需

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医学英语 心内科

Membrane voltage becomes less negative, moving closer to the threshold potential, making it EASIER to initiate an action potential.

压具有较小负值,接近阈值,这样,更容易启

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医学英语 心内科

Stimulus is required to generate an action potential.

需要刺激来产生

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TED演讲(视频版) 2017年10月合集

It has touch receptors that are sending that information back down in the form of an action potential.

它有触觉感受器,以形式将信息传回。

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医学英语 心内科

Most symptoms of acute hypocalcemia can be attributed to the effect, it has on action potential generation in neurons.

急性低钙血症大多数症状可归因于其对神经元产生影响。

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连线杂志

Action potentials can travel as quickly as 100 meters per second, which is about 224 miles per hour for us non-metric system users.

可以以每秒 100 米速度传播,对于我们非公制用户来说大约是每小时 224 英里。

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Osmosis-神经

Nerve fibers are either dendrites that receive signals from other neurons, or axons that send signals called action potentials along to other neurons.

神经纤维,包括从别神经元接收信号树突,和向别神经元发送信号轴突。

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Crash Course 解剖生理学篇

But in order for it to become an action potential again in the receiving neuron, it has to be converted back to electrical.

但是为了让它在接收神经元中再次成为,它必须被转换回

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心血管

A decrease in blood pressure causes a decrease in action potentials sent to the cardio regulatory center of the medulla.

血压降低导致发送到延髓心脏调节中心降低。

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