unilateral conduction

简明释义

单向导电

英英释义

例句

1.Physical therapy can help improve unilateral conduction 单侧传导 in patients recovering from a brain injury.

物理治疗可以帮助改善患者在脑损伤恢复中出现的单侧传导 单侧传导 问题。

2.Electromyography is used to assess unilateral conduction 单侧传导 in muscle response.

肌电图用于评估肌肉反应中的单侧传导 单侧传导。

3.The audiologist noted unilateral conduction 单侧传导 loss in the patient's hearing test results.

听力学家注意到患者听力测试结果中有单侧传导 单侧传导 丧失。

4.In cases of stroke, doctors often look for unilateral conduction 单侧传导 deficits as a key symptom.

在中风病例中，医生通常会寻找单侧传导 单侧传导 缺损作为一个关键症状。

5.The patient exhibited signs of unilateral conduction 单侧传导 issues during the neurological exam.

在神经学检查中，患者表现出单侧传导 单侧传导 问题的迹象。

作文

In the field of neuroscience, the term unilateral conduction refers to the process by which nerve impulses are transmitted in one direction along a nerve fiber. This phenomenon is crucial for understanding how signals travel from one part of the body to another, particularly in response to stimuli. The concept of unilateral conduction is essential in various physiological processes, including reflex actions and the functioning of sensory pathways.To comprehend unilateral conduction, it is important to first understand the basic structure of neurons. Neurons are specialized cells that transmit information through electrical and chemical signals. They consist of a cell body, dendrites, and an axon. The axon is responsible for carrying impulses away from the cell body, while dendrites receive incoming signals. In unilateral conduction, the signal travels in a single direction, ensuring that the communication between neurons is efficient and organized.One of the key aspects of unilateral conduction is the role of myelin sheaths. These are insulating layers that surround the axons of many neurons, allowing for faster transmission of nerve impulses. Myelinated fibers conduct signals more rapidly than unmyelinated fibers due to a process called saltatory conduction, where the impulse jumps from one node of Ranvier to another. This allows for quick responses to stimuli, which is vital for survival in many species.The implications of unilateral conduction extend beyond simple nerve signaling. For instance, in the context of reflex arcs, which are neural pathways that mediate reflex actions, unilateral conduction ensures that the signal travels from sensory receptors to the spinal cord and then back to the muscles without delay. This rapid response is critical in situations where immediate action is required, such as withdrawing a hand from a hot surface.Moreover, understanding unilateral conduction can help in diagnosing and treating neurological disorders. Conditions such as multiple sclerosis involve damage to the myelin sheath, leading to disrupted conduction of nerve impulses. By studying how unilateral conduction is affected in these disorders, researchers can develop targeted therapies to restore proper nerve function.In conclusion, unilateral conduction is a fundamental concept in neuroscience that describes the one-way transmission of nerve impulses. It plays a vital role in various physiological processes, including reflex actions and sensory communication. By understanding the mechanisms behind unilateral conduction, scientists can gain insights into both normal nervous system function and the pathophysiology of neurological diseases. This knowledge not only enhances our comprehension of the nervous system but also paves the way for advancements in medical treatments and interventions, ultimately improving patient outcomes in neurology.

在神经科学领域，术语单侧传导指的是神经冲动沿神经纤维单向传递的过程。这一现象对于理解信号如何从身体的一部分传输到另一部分尤为重要，特别是在对刺激的反应中。单侧传导的概念在各种生理过程中至关重要，包括反射动作和感觉通路的功能。要理解单侧传导，首先需要了解神经元的基本结构。神经元是通过电信号和化学信号传递信息的特殊细胞。它们由细胞体、树突和轴突组成。轴突负责将冲动从细胞体传出，而树突则接收传入的信号。在单侧传导中，信号在一个方向上移动，确保神经元之间的通信高效且有序。单侧传导的一个关键方面是髓鞘的作用。这些是包围许多神经元轴突的绝缘层，允许神经冲动更快地传递。髓鞘化纤维由于一种称为跳跃传导的过程，比无髓鞘纤维更快速地传导信号，其中冲动从一个兰氏节点跳到另一个节点。这使得对刺激的快速反应成为可能，这在许多物种的生存中至关重要。单侧传导的影响超出了简单的神经信号传递。例如，在反射弧的背景下，反射弧是介导反射动作的神经通路，单侧传导确保信号从感觉受体传递到脊髓，然后再返回到肌肉，毫不延迟。这种快速反应在需要立即行动的情况下至关重要，例如从热表面撤回手部。此外，理解单侧传导有助于诊断和治疗神经系统疾病。多发性硬化症等疾病涉及髓鞘的损伤，导致神经冲动的传导中断。通过研究这些疾病中单侧传导受到的影响，研究人员可以开发针对性的疗法，以恢复正常的神经功能。总之，单侧传导是神经科学中的一个基本概念，描述了神经冲动的单向传输。它在各种生理过程中发挥着重要作用，包括反射动作和感觉通信。通过理解单侧传导背后的机制，科学家可以深入了解正常神经系统功能以及神经系统疾病的病理生理学。这一知识不仅增强了我们对神经系统的理解，也为医学治疗和干预的进步铺平了道路，最终改善了神经病学患者的结果。