antidromic action

简明释义

逆向传导酌

英英释义

例句

1.Clinical applications of antidromic action are being explored in neurology.

在神经学中，正在探索逆行作用的临床应用。

2.In the experiment, the antidromic action was observed when stimulating the distal end of the nerve.

在实验中，当刺激神经的远端时观察到了逆行作用。

3.The study highlighted the significance of antidromic action in understanding nerve signal transmission.

这项研究强调了理解神经信号传递中逆行作用的重要性。

4.The antidromic action can provide insights into the mechanisms of pain perception.

这种逆行作用可以为疼痛感知机制提供深入见解。

5.Researchers investigated the antidromic action to determine its role in reflex arcs.

研究人员调查了逆行作用以确定其在反射弧中的作用。

作文

The concept of antidromic action is a fascinating aspect of neuroscience that refers to the phenomenon where nerve impulses travel in the opposite direction to their usual flow. In a typical neuronal pathway, signals are transmitted from the dendrites through the cell body and down the axon to the synaptic terminal. However, in cases of antidromic action, the signal travels back towards the cell body rather than away from it. This reversal can happen under certain conditions, often during experimental procedures or in specific pathological states. Understanding this concept is crucial for researchers and clinicians alike, as it sheds light on the complex interplay between different neural circuits and how they can be manipulated.One of the primary interests in studying antidromic action lies in its implications for understanding neural plasticity. Neural plasticity is the brain's ability to reorganize itself by forming new neural connections throughout life. When an impulse travels antidromically, it can result in the activation of feedback mechanisms that may strengthen or weaken synaptic connections. This can lead to changes in how information is processed within the brain, which is essential for learning and memory. For instance, if a particular pathway is activated antidromically, it might enhance the efficiency of synaptic transmission in that pathway, thereby facilitating quicker responses to stimuli.Furthermore, antidromic action plays a significant role in the study of pain mechanisms. Researchers have observed that certain types of pain can trigger antidromic impulses in sensory neurons, leading to the release of neuropeptides that contribute to inflammation and the sensation of pain. This understanding has opened new avenues for pain management therapies, as targeting these antidromic pathways could potentially alleviate chronic pain conditions.In addition to its relevance in pain research, antidromic action is also important in the context of neural communication disorders. Conditions such as epilepsy can exhibit abnormal antidromic activity, which can disrupt normal brain function. By studying these patterns, scientists can develop better diagnostic tools and treatment strategies. For example, understanding the conditions under which antidromic impulses occur can help in predicting seizure onset and developing interventions to prevent them.Moreover, the exploration of antidromic action extends beyond basic research and into clinical applications. Techniques like transcranial magnetic stimulation (TMS) leverage the principles of antidromic conduction to modulate neuronal activity non-invasively. By applying magnetic fields to specific areas of the brain, TMS can induce antidromic impulses that alter the excitability of neurons, providing therapeutic benefits for various neurological and psychiatric conditions.In conclusion, the study of antidromic action is a vital area of research that enhances our understanding of neural dynamics. Its implications for neural plasticity, pain mechanisms, communication disorders, and clinical interventions illustrate the complexity of the nervous system. As we continue to explore these intricate processes, the knowledge gained from investigating antidromic action will undoubtedly contribute to advancements in neuroscience and medicine, paving the way for innovative treatments and improved patient outcomes.

“反向动作”是神经科学中一个引人入胜的概念，指的是神经冲动以与通常流动相反的方向传播的现象。在典型的神经通路中，信号从树突传递到细胞体，然后沿着轴突向突触末端传递。然而，在“反向动作”的情况下，信号会朝向细胞体而不是远离它。这种反转可能在某些条件下发生，通常是在实验程序或特定病理状态下。理解这个概念对于研究人员和临床医生来说至关重要，因为它揭示了不同神经回路之间复杂的相互作用及其如何被操控。研究“反向动作”的主要兴趣之一在于其对理解神经可塑性的影响。神经可塑性是大脑通过在生命中形成新的神经连接而重新组织自身的能力。当冲动以反向方式传播时，它可能导致激活反馈机制，从而增强或削弱突触连接。这可能导致大脑内信息处理方式的变化，这对于学习和记忆至关重要。例如，如果特定通路以反向方式被激活，它可能增强该通路中突触传递的效率，从而促进对刺激的快速反应。此外，“反向动作”在疼痛机制研究中也发挥着重要作用。研究人员观察到，某些类型的疼痛可以触发感觉神经元中的反向冲动，导致神经肽的释放，从而促进炎症和疼痛的感觉。这一理解为疼痛管理疗法开辟了新的途径，因为靶向这些反向通路可能有助于缓解慢性疼痛状况。除了在疼痛研究中的相关性外，“反向动作”在神经通信障碍的背景下也很重要。癫痫等疾病可能表现出异常的反向活动，这可能干扰正常的大脑功能。通过研究这些模式，科学家可以开发更好的诊断工具和治疗策略。例如，了解反向冲动发生的条件可以帮助预测癫痫发作的发生，并制定预防措施。此外，“反向动作”的探索不仅限于基础研究，还延伸到临床应用。经颅磁刺激（TMS）等技术利用反向传导的原理，通过非侵入性地调节神经活动。通过对大脑特定区域施加磁场，TMS可以诱导反向冲动，改变神经元的兴奋性，为各种神经和精神疾病提供治疗益处。总之，研究“反向动作”是一个重要的研究领域，增强了我们对神经动态的理解。它对神经可塑性、疼痛机制、通信障碍和临床干预的影响，展示了神经系统的复杂性。随着我们继续探索这些复杂过程，从研究“反向动作”中获得的知识无疑将有助于神经科学和医学的进步，为创新治疗和改善患者结果铺平道路。