neuropil

简明释义

英[ˈnjʊəroʊˌpɪl]美[ˈnjʊəroʊˌpɪl]

n. 神经纤维网

英英释义

单词用法

同义词

反义词

例句

1.Growth cones and myelinated fibers can be seen in neuropil.

神经毡中可见到生长锥和有髓纤维。

2.The present study have observed the fine structure of the neuroglial and neuronal processes of the hippocampal neuropil in the rats by using the technique of electron microscopy.

用电镜技术观察了大白鼠海马神经毯内的神经胶质突起与神经元突起的超微结构。

3.The axons and even the dendrites were dilated extremely to form irregular "balloon" which contained different vacuoles in size and distorted the structure of neuropil.

神经毡中可见树突和轴突不同程度水肿，尤其是树突呈现极度扩张形成不规则的“气球”，其中含有许多大小不等的薄膜空泡。

4.R_(7a) approximate many features of R_(1-6) cells, which have a larger, cell body, rhabdomere and axon, terminate in the first optic neuropil (lamina).

的细胞体、感杆和轴突较大，它与外周小网膜细胞R_（1～6）相同，其轴突终止在第一视神经节（薄板）；

5.Most ofthe fibers in the neuropil are unmyelinated, and myelinated fibers are scarce.

神经毡内无髓纤维最多，有髓纤维稀少。

6.The present study have observed the fine structure of the neuroglial and neuronal processes of the hippocampal neuropil in the rats by using the technique of electron microscopy.

用电镜技术观察了大白鼠海马神经毯内的神经胶质突起与神经元突起的超微结构。

7.Abnormalities in the structure of the neuropil have been linked to neurological disorders.

在神经胶质结构中的异常与神经系统疾病有关。

8.In a developing brain, the formation of neuropil is essential for synaptic connections.

在发育中的大脑中，神经胶质的形成对突触连接至关重要。

9.Researchers found that the neuropil plays a crucial role in processing sensory information.

研究人员发现，神经胶质在处理感觉信息中起着至关重要的作用。

10.The organization of the neuropil can vary significantly between different species.

不同物种之间，神经胶质的组织结构可能有显著差异。

11.The dense network of synapses in the brain is referred to as the neuropil.

大脑中突触的密集网络被称为神经胶质。

作文

The human brain is an intricate network of neurons, glial cells, and various other components that work together to facilitate complex functions such as thought, memory, and movement. One of the critical structures within the brain is the neuropil, which refers to the dense network of interwoven axons, dendrites, and synapses found in the central nervous system. This unique structure plays a vital role in processing information and transmitting signals between neurons. Understanding the neuropil is essential for grasping how the brain operates at a cellular level.The term neuropil is derived from the Greek words 'neuron', meaning nerve, and 'pilus', meaning hair, which aptly describes its appearance as a fine, web-like structure. In the brain, the neuropil occupies the spaces between neuronal cell bodies, providing a rich environment for synaptic connections. This area is where most of the brain's synapses are located, making it crucial for neural communication. The density of the neuropil varies across different regions of the brain, reflecting the specific functional demands of those areas.For instance, in regions associated with sensory processing, such as the visual cortex, the neuropil is particularly dense, allowing for rapid signal transmission and integration of sensory information. Conversely, in areas involved in higher cognitive functions, like the prefrontal cortex, the neuropil may have a different composition, facilitating more complex interactions among neurons. This diversity highlights the adaptability of the neuropil in supporting various brain functions.Research into the neuropil has revealed its significance not only in healthy brain function but also in the context of neurological disorders. For example, alterations in the structure and organization of the neuropil have been observed in conditions such as Alzheimer's disease and autism spectrum disorders. These changes can lead to disruptions in synaptic connectivity, ultimately affecting cognitive abilities and behavior.Furthermore, the neuropil is also involved in neuroplasticity, the brain's ability to reorganize itself by forming new neural connections throughout life. When we learn new skills or adapt to new environments, the neuropil undergoes changes that reflect these experiences. This plasticity underscores the importance of the neuropil in both learning and memory, as it provides the physical substrate for the storage of information.In conclusion, the neuropil is a fundamental component of the brain's architecture, serving as a hub for neuronal communication and synaptic activity. Its intricate structure and dynamic nature make it essential for understanding both normal brain function and the pathophysiology of various neurological conditions. As research continues to unravel the complexities of the neuropil, we gain deeper insights into the workings of the brain and the potential avenues for therapeutic interventions in neurological diseases.

人脑是一个复杂的神经元、胶质细胞和各种其他组成部分交织在一起的网络，这些部分共同作用以促进诸如思维、记忆和运动等复杂功能。大脑中的一个关键结构是神经纤维网，它指的是中枢神经系统中交织的轴突、树突和突触的密集网络。这个独特的结构在处理信息和传递神经信号方面发挥着重要作用。理解神经纤维网对于掌握大脑在细胞层面上的运行至关重要。术语神经纤维网源自希腊词“neuron”，意为神经；以及“pilus”，意为毛发，这恰当地描述了其作为一种精细、网状结构的外观。在大脑中，神经纤维网占据神经元细胞体之间的空间，为突触连接提供了丰富的环境。这个区域是大脑中大多数突触的所在地，使其对神经通信至关重要。神经纤维网的密度在大脑不同区域之间有所不同，反映了这些区域特定的功能需求。例如，在与感觉处理相关的区域，如视觉皮层，神经纤维网特别密集，允许快速信号传输和感觉信息的整合。相反，在涉及更高认知功能的区域，如前额叶皮层，神经纤维网可能具有不同的组成，促进神经元之间的更复杂的相互作用。这种多样性突显了神经纤维网在支持各种大脑功能方面的适应性。对神经纤维网的研究揭示了它在健康大脑功能和神经系统疾病背景下的重要性。例如，在阿尔茨海默病和自闭症谱系障碍等疾病中观察到了神经纤维网的结构和组织的改变。这些变化可能导致突触连接的干扰，最终影响认知能力和行为。此外，神经纤维网还参与神经可塑性，即大脑通过形成新的神经连接来重组自身的能力。当我们学习新技能或适应新环境时，神经纤维网会经历反映这些经历的变化。这种可塑性强调了神经纤维网在学习和记忆中的重要性，因为它为信息存储提供了物理基础。总之，神经纤维网是大脑结构的基本组成部分，作为神经通信和突触活动的中心。它复杂的结构和动态的特性使其对理解正常的大脑功能和各种神经疾病的病理生理学至关重要。随着研究不断揭示神经纤维网的复杂性，我们对大脑的运作以及在神经疾病中治疗干预的潜在途径有了更深入的了解。