depolarised

简明释义

英[dɪˈpəʊləraɪzd]美[dɪˈpoʊlərˌaɪzd]

v. 为……去极，为……去偏振；去极化（depolarise 的过去式及过去分词，depolarise 等于 depolarize）

英英释义

单词用法

同义词

反义词

例句

1.The results showed that HCG depolarised membrane potential of toad oocytes, while tyrosine directly caused membrane, hyperpolarization, and inhibited the depolarization induced by HCG.

结果表明，HCG对卵母细胞膜电位有去极化作用，酪氨酸可以使膜电位呈现超极化反应，并能抑制HCG的去极化作用。

2.The results showed that HCG depolarised membrane potential of toad oocytes, while tyrosine directly caused membrane, hyperpolarization, and inhibited the depolarization induced by HCG.

结果表明，HCG对卵母细胞膜电位有去极化作用，酪氨酸可以使膜电位呈现超极化反应，并能抑制HCG的去极化作用。

3.The neurons become depolarised when they receive a strong enough stimulus.

当神经元接收到足够强的刺激时，它们会变得去极化。

4.During the action potential, the cell membrane is depolarised rapidly.

在动作电位期间，细胞膜迅速被去极化。

5.The heart muscle cells must be depolarised to contract effectively.

心肌细胞必须被去极化才能有效收缩。

6.In the lab, we observed how the membrane potential became depolarised under certain conditions.

在实验室中，我们观察到在某些条件下膜电位变得去极化。

7.When the threshold is reached, the axon becomes depolarised and sends an impulse.

当达到阈值时，轴突会变得去极化并发送冲动。

作文

In the realm of neuroscience, the concept of cellular activity is often described through various terminologies that highlight the changes in a cell's electrical state. One such term is depolarised, which refers to a reduction in the electrical potential across a cell membrane. This process is crucial for the functioning of neurons and muscle cells, as it allows for the transmission of signals within the body. When a neuron becomes depolarised, it means that the inside of the cell becomes less negative compared to the outside. This change is typically triggered by the influx of sodium ions, which causes the cell to reach a threshold that can lead to an action potential. Understanding the process of depolarised cells is essential for comprehending how signals are transmitted in the nervous system. For instance, when a nerve impulse travels along a neuron, it causes localized areas of the membrane to become depolarised. This wave of depolarization travels down the axon, leading to the release of neurotransmitters at the synapse, which then communicate with adjacent neurons. The ability of neurons to become depolarised and propagate signals is fundamental to all aspects of brain function, including movement, sensation, and cognition. Moreover, the concept of depolarised cells extends beyond just neurons. Muscle cells also undergo this process during contraction. When a muscle cell is stimulated, it becomes depolarised, which triggers a cascade of events that ultimately leads to muscle contraction. This illustrates how vital the process of depolarised is not only in the nervous system but also in the muscular system, highlighting its importance in overall bodily functions. In addition to its biological significance, the term depolarised can also be applied metaphorically in various contexts. For example, in discussions about societal issues, one might refer to a group that has become depolarised in terms of its beliefs or opinions. This could signify a shift from a polarized viewpoint to a more neutral or open-minded perspective, where individuals are willing to consider different viewpoints rather than strictly adhering to their original beliefs. Such a transformation can lead to more productive conversations and collaborations, much like how depolarised neurons facilitate communication between cells. In conclusion, the term depolarised holds significant relevance in both biological and metaphorical contexts. It describes a critical process in cellular communication that underpins many physiological functions, while also offering a lens through which we can view changes in human perspectives and interactions. Understanding the implications of depolarised processes can enrich our comprehension of both the natural world and the complexities of human society. As we continue to explore these concepts, we gain deeper insights into the interconnectedness of life and the importance of communication in all its forms.

在神经科学领域，细胞活动的概念通常通过各种术语来描述，这些术语突出了细胞电状态的变化。其中一个术语是去极化，它指的是细胞膜上电位的降低。这个过程对于神经元和肌肉细胞的功能至关重要，因为它允许信号在体内的传递。当一个神经元变得去极化时，意味着细胞内部相对于外部变得不那么负。这种变化通常是由钠离子的流入引发的，这使得细胞达到一个阈值，从而可以导致动作电位。 理解去极化细胞的过程对于理解神经系统中信号的传递至关重要。例如，当神经冲动沿着神经元传播时，它会导致膜的局部区域变得去极化。这种去极化的波沿着轴突传播，最终导致在突触处释放神经递质，这些神经递质随后与相邻的神经元进行交流。神经元能够变得去极化并传播信号的能力是大脑功能的基础，包括运动、感觉和认知。 此外，去极化的概念不仅仅限于神经元。肌肉细胞在收缩过程中也经历这一过程。当肌肉细胞受到刺激时，它变得去极化，这引发了一系列事件，最终导致肌肉收缩。这说明了去极化过程在神经系统和肌肉系统中的重要性，突显了其在整体身体功能中的重要性。 除了生物学意义之外，去极化一词在各种上下文中也可以比喻地应用。例如，在关于社会问题的讨论中，人们可能会提到一个群体在信仰或观点上变得去极化。这可能意味着从极化的观点转向更中立或开放的视角，在这种情况下，个体愿意考虑不同的观点，而不是严格坚持自己的原始信念。这种转变可以导致更具建设性的对话和合作，就像去极化的神经元促进细胞之间的交流一样。 总之，去极化一词在生物和比喻的上下文中都具有重要意义。它描述了细胞通信中的关键过程，支撑着许多生理功能，同时也为我们提供了一个视角，通过这个视角我们可以观察人类观点和互动的变化。理解去极化过程的影响可以丰富我们对自然世界和人类社会复杂性的理解。随着我们继续探索这些概念，我们将深入洞察生命的相互联系以及交流在各种形式中的重要性。