perineurium

简明释义

[ˌperɪˈnjʊərɪəm][ˌperəˈnjʊrɪəm]

n. [解剖] 神经束膜

复 数 p e r i n e u r i a

英英释义

The perineurium is the protective sheath of connective tissue that surrounds a bundle of nerve fibers (a fascicle), providing structural support and maintaining the environment for the nerves.

外神经膜是包裹神经纤维束(束)的保护性结缔组织鞘,提供结构支持并维持神经的环境。

单词用法

perineurial sheath

神经膜鞘

perineurial fibrosis

神经膜纤维化

the outer layer of the perineurium

神经膜的外层

perineurium and endoneurium

神经膜和内神经膜

同义词

nerve sheath

神经鞘

The perineurium acts as a protective nerve sheath.

周神经膜作为一种保护性神经鞘。

connective tissue layer

结缔组织层

Injuries to the connective tissue layer can affect nerve function.

对结缔组织层的损伤可能会影响神经功能。

反义词

epineurium

外神经膜

The epineurium provides protection to the entire nerve structure.

外神经膜为整个神经结构提供保护。

endoneurium

内神经膜

The endoneurium surrounds individual nerve fibers within a nerve.

内神经膜包围神经中的单个神经纤维。

例句

1.Objective To assess the prognostic significance of the perineurium invasion (PNI) in gastric cancer patients.

目的探讨神经束膜浸润对胃癌预后的意义。

2.Fourth degree injury includes damage to the endoneurium, perineurium, and epineurium.

第四度损伤包括神经内膜、神经周膜和神经外膜的损伤。

3.Only by incision of the perineurium the nerve fibres can be completely decompressed.

因此只有切开束膜,神经纤维才能获得完全减压。

4.Objective To assess the prognostic significance of the perineurium invasion (PNI) in gastric cancer patients.

目的探讨神经束膜浸润对胃癌预后的意义。

5.Inflammation can affect the perineurium, leading to pain and dysfunction.

炎症可能影响神经周膜,导致疼痛和功能障碍。

6.During surgery, the surgeon carefully dissected the perineurium to access the nerve.

在手术中,外科医生小心地解剖了神经周膜以进入神经。

7.Research shows that the perineurium plays a role in nerve regeneration.

研究表明,神经周膜在神经再生中起着重要作用。

8.The integrity of the perineurium is crucial for nerve function.

保持神经周膜的完整性对神经功能至关重要。

9.The perineurium protects the nerve fibers from external damage.

神经周膜保护神经纤维免受外部损伤。

作文

The human body is an intricate network of systems, each playing a vital role in maintaining our overall health and functionality. Among these systems, the nervous system stands out as one of the most complex, responsible for transmitting signals throughout the body. Within this system, the structure known as the perineurium plays a crucial role. The perineurium is a protective sheath that surrounds bundles of nerve fibers, known as fascicles, ensuring that they remain insulated and protected from external influences. This protective layer is composed of several layers of flattened cells, which not only provide physical protection but also contribute to the overall integrity of the nerve fibers. Understanding the function of the perineurium is essential, especially when considering its role in nerve injuries and diseases. When nerves are damaged, the perineurium can help to maintain the structural organization of the nerve, promoting healing and regeneration. This is particularly important in conditions such as traumatic injuries, where the nerves may be severed or compressed. The presence of the perineurium allows for the possibility of nerve fibers to reconnect and restore function, highlighting its importance in nerve repair.Moreover, the perineurium is involved in the blood-nerve barrier, which regulates the exchange of substances between the bloodstream and the nerve tissue. This barrier is crucial for maintaining the homeostasis of the nerve environment, protecting it from potential toxins and pathogens. By controlling what enters the nerve fibers, the perineurium ensures that the nerve cells can function optimally, free from harmful substances that could disrupt their activity.In addition to its protective functions, the perineurium also plays a role in the transmission of electrical signals along the nerves. By insulating the nerve fibers, the perineurium facilitates faster signal conduction, allowing for quick responses to stimuli. This is particularly evident in motor nerves, where rapid signal transmission is necessary for reflex actions and coordinated movements. Without the perineurium, the efficiency of nerve signal transmission would be significantly compromised.The study of the perineurium extends beyond basic anatomy and physiology; it has implications in medical research and treatment strategies for various neurological disorders. For instance, understanding the properties of the perineurium can lead to advancements in nerve grafting techniques, improving outcomes for patients with nerve injuries. Furthermore, researchers are exploring how the perineurium might be manipulated to enhance nerve repair processes, potentially leading to breakthroughs in treating conditions such as peripheral neuropathy or spinal cord injuries.In conclusion, the perineurium is a vital component of the nervous system, serving multiple functions that are essential for the protection, maintenance, and efficiency of nerve fibers. Its role in injury recovery and signal transmission underscores its importance in both health and disease. As we continue to unravel the complexities of the nervous system, the perineurium will undoubtedly remain a focal point of research and clinical interest, paving the way for new therapeutic approaches to enhance nerve health and recovery.

人体是一个复杂的系统网络,每个系统在维持我们的整体健康和功能方面都发挥着重要作用。在这些系统中,神经系统以其复杂性而脱颖而出,负责在全身传递信号。在这个系统中,被称为周神经膜的结构起着至关重要的作用。周神经膜是包围神经纤维束(称为束)的保护鞘,确保它们保持绝缘并受到外部影响的保护。这层保护层由几层扁平细胞组成,不仅提供物理保护,还对神经纤维的整体完整性做出贡献。理解周神经膜的功能至关重要,特别是在考虑其在神经损伤和疾病中的作用时。当神经受损时,周神经膜可以帮助维持神经的结构组织,促进愈合和再生。这在如创伤性损伤等情况中尤为重要,因为神经可能被切断或压迫。周神经膜的存在使得神经纤维能够重新连接并恢复功能,突显了其在神经修复中的重要性。此外,周神经膜还参与血-神经屏障的形成,该屏障调节血流与神经组织之间物质的交换。这个屏障对于维持神经环境的内稳态至关重要,保护神经免受潜在毒素和病原体的侵害。通过控制进入神经纤维的物质,周神经膜确保神经细胞能够最佳地发挥功能,远离可能干扰其活动的有害物质。除了保护功能外,周神经膜还在神经沿线电信号的传输中发挥作用。通过对神经纤维进行绝缘,周神经膜促进了更快的信号传导,使得对刺激的快速反应成为可能。这在运动神经中特别明显,因为快速信号传输对于反射动作和协调运动是必不可少的。如果没有周神经膜,神经信号传输的效率将受到显著影响。对周神经膜的研究不仅限于基础解剖学和生理学;它在各种神经系统疾病的医学研究和治疗策略中也具有重要意义。例如,理解周神经膜的特性可以推动神经移植技术的进步,提高神经损伤患者的治疗效果。此外,研究人员正在探索如何操控周神经膜以增强神经修复过程,这可能为治疗周围神经病或脊髓损伤等病症带来突破。总之,周神经膜是神经系统的重要组成部分,承担着多种功能,这些功能对神经纤维的保护、维护和效率至关重要。它在损伤恢复和信号传输中的作用凸显了它在健康和疾病中的重要性。随着我们继续揭开神经系统的复杂性,周神经膜无疑会成为研究和临床关注的重点,为改善神经健康和恢复的新疗法铺平道路。