commissural

简明释义

英[ˌkɒmɪˈsjʊərəl]美[kəˈmɪʃərəl]

adj. 合缝处的；连合的

英英释义

单词用法

同义词

反义词

例句

1.AIM To investigate zinc (Zn2+ ) modulation of glycine (Gly)-activated whole-cell currents in acutely dissociated rat sacral dorsal commissural nucleus (SDCN) neurons.

目的研究锌离子对急性分离的大鼠骶髓后连合核神经元甘氨酸激活全细胞电流的调控。

2.The commissural region of the main and accessory valve can be divided into the commissural region between single main valve and accessory valve, and between united main valve and accessory valve.

主副瓣连合区分为单主瓣和副瓣间连合区及联合主瓣和副瓣间连合区。

3.The firing rates and patterns of neuronal activity in the anterior commissural nucleus (ACN) were studied on in vitro hypothalamic slices using electrophysiological techniques.

在大鼠下丘脑离体脑片上，用电生理细胞外记录法研究了前连合核神经元的放电频率及其波形。

4.The commissural region of the main and accessory valve can be divided into the commissural region between single main valve and accessory valve, and between united main valve and accessory valve.

主副瓣连合区分为单主瓣和副瓣间连合区及联合主瓣和副瓣间连合区。

5.Objective To Study the distribution of primary afferent fibers of the sciatic and pelvic nerves in the dorsal commissural nucleus (DCN) of the rat lumbosacral spinal cord.

目的观察大鼠坐骨神经和盆神经初级传入纤维在腰骶段脊髓后连合核内的分布。

6.In neuroanatomy, the commissural 连合的 connections are crucial for interhemispheric communication.

在神经解剖学中，连合的连接对于半球间的沟通至关重要。

7.Damage to the commissural 连合的 pathways can lead to significant neurological deficits.

对连合的通路的损伤可能导致显著的神经功能缺陷。

8.Researchers are investigating how commissural 连合的 fibers affect emotional processing in the brain.

研究人员正在调查连合的纤维如何影响大脑中的情感处理。

9.The commissural 连合的 tracts connect corresponding regions of the left and right hemispheres.

这些连合的束连接左半球和右半球的对应区域。

10.The study focused on the role of the commissural 连合的 fibers in brain communication.

这项研究集中在大脑通信中连合的纤维的作用。

作文

The human brain is an incredibly complex organ, composed of various structures that work in harmony to facilitate our thoughts, movements, and emotions. Among these structures, the term commissural refers to the connections that link the two hemispheres of the brain. These connections are crucial for the integration of sensory and motor functions, allowing both sides of the brain to communicate effectively with one another. Understanding the role of commissural fibers can provide insights into how our brains process information and coordinate actions. One of the most well-known commissural structures in the brain is the corpus callosum, which is a thick band of nerve fibers that connects the left and right hemispheres. This structure plays a vital role in interhemispheric communication, allowing for the transfer of information between the two sides. For instance, if a person sees an object on their right side, the visual information is processed in the left hemisphere. The corpus callosum facilitates the communication of this information to the right hemisphere, which may be responsible for spatial awareness and recognition. Without the function of these commissural fibers, our ability to perceive and react to our environment would be severely hindered.In addition to the corpus callosum, there are other commissural pathways in the brain, such as the anterior and posterior commissures. These smaller bundles of fibers also contribute to the communication between hemispheres, although they have different roles and functions. The anterior commissure, for example, is involved in olfactory processing and emotional responses, while the posterior commissure is associated with reflexive eye movements. The intricate network of commissural connections highlights the importance of communication within the brain, emphasizing that no single area operates in isolation.Research into commissural pathways has significant implications for understanding various neurological conditions. For instance, individuals with split-brain syndrome, a condition resulting from the severing of the corpus callosum, often exhibit unique cognitive and behavioral patterns. These individuals may struggle with tasks that require coordination between hemispheres, leading to difficulties in problem-solving and decision-making. Studying the effects of disrupted commissural connections helps neuroscientists unravel the complexities of brain function and how different areas collaborate to produce coherent behavior.Moreover, advancements in neuroimaging techniques have allowed researchers to visualize commissural pathways in living brains, providing deeper insights into their structure and function. Understanding how these pathways develop and change over time can shed light on critical periods of brain development and the impact of environmental factors on cognitive abilities. This knowledge could lead to interventions that promote healthy brain development and mitigate the effects of neurological disorders.In conclusion, the term commissural encompasses the essential connections between the two hemispheres of the brain, highlighting their role in facilitating communication and coordination of functions. From the well-studied corpus callosum to other lesser-known commissural pathways, these structures are vital for our cognitive and motor abilities. As research continues to explore the intricacies of these connections, we gain a better understanding of the brain's remarkable capabilities and the potential for recovery and adaptation in the face of neurological challenges.

人脑是一个极其复杂的器官，由各种结构组成，这些结构和谐地协同工作，以促进我们的思维、运动和情感。在这些结构中，术语commissural指的是连接大脑两个半球的神经通路。这些连接对于感觉和运动功能的整合至关重要，使大脑的两侧能够有效地相互交流。理解commissural纤维的作用可以为我们提供关于大脑如何处理信息和协调动作的见解。大脑中最著名的commissural结构之一是胼胝体，它是一束厚厚的神经纤维，连接左半球和右半球。这个结构在半球间的交流中发挥着重要作用，允许信息在两侧之间传递。例如，如果一个人看到右侧的物体，视觉信息会在左半球中处理。胼胝体促进了这种信息传递到右半球的交流，后者可能负责空间意识和识别。如果没有这些commissural纤维的功能，我们感知和反应环境的能力将受到严重阻碍。除了胼胝体，还有其他commissural通路，如前连合和后连合。这些较小的纤维束也有助于半球之间的通信，尽管它们具有不同的角色和功能。例如，前连合参与嗅觉处理和情感反应，而后连合则与反射性眼动相关。复杂的commissural连接网络突显了大脑内部通信的重要性，强调没有单一区域是孤立运作的。对commissural通路的研究对理解各种神经系统疾病具有重要意义。例如，患有分裂脑综合症的个体（这种情况是由于胼胝体被切断而导致的）通常表现出独特的认知和行为模式。这些个体在需要半球协调的任务上可能会遇到困难，从而导致解决问题和决策的困难。研究破坏的commissural连接的影响帮助神经科学家揭示大脑功能的复杂性以及不同区域如何协作以产生连贯的行为。此外，神经成像技术的进步使研究人员能够在活体大脑中可视化commissural通路，从而深入了解其结构和功能。了解这些通路如何发展和随时间变化可以揭示大脑发展的关键时期以及环境因素对认知能力的影响。这些知识可能导致促进健康大脑发展的干预措施，并减轻神经系统疾病的影响。总之，术语commissural涵盖了大脑两个半球之间的重要连接，突显了它们在促进交流和协调功能中的作用。从广为研究的胼胝体到其他不太为人知的commissural通路，这些结构对我们的认知和运动能力至关重要。随着研究继续探索这些连接的复杂性，我们更好地理解大脑的卓越能力以及在神经挑战面前恢复和适应的潜力。