arachnoid membrane

简明释义

蛛网膜

英英释义

例句

1.During the procedure, the doctor explained the role of the arachnoid membrane in cerebrospinal fluid circulation.

在手术过程中，医生解释了蛛网膜在脑脊液循环中的作用。

2.In cases of meningitis, the inflammation can affect the arachnoid membrane significantly.

在脑膜炎的情况下，炎症可能会显著影响蛛网膜。

3.A CT scan can help visualize any issues with the arachnoid membrane.

CT扫描可以帮助可视化蛛网膜的任何问题。

4.The surgeon carefully navigated around the arachnoid membrane to avoid damaging surrounding tissues.

外科医生小心翼翼地绕过蛛网膜以避免损伤周围组织。

5.The arachnoid membrane acts as a protective layer for the brain and spinal cord.

蛛网膜作为大脑和脊髓的保护层。

作文

The human brain is a complex organ that requires protection and support to function properly. One of the critical components of this protective system is the arachnoid membrane, which is one of the three layers of the meninges surrounding the brain and spinal cord. The meninges consist of the dura mater, the arachnoid mater, and the pia mater, each playing a vital role in safeguarding the central nervous system. The arachnoid membrane is located between the dura mater and the pia mater and has a unique structure that resembles a spider's web, which is where it gets its name. This delicate membrane is composed of a layer of cells that are loosely arranged, allowing for flexibility and movement while still providing a barrier against harmful substances.The primary function of the arachnoid membrane is to contain the cerebrospinal fluid (CSF), which circulates around the brain and spinal cord. CSF serves several important purposes, including cushioning the brain, providing nutrients, and removing waste products. The space between the arachnoid membrane and the pia mater is known as the subarachnoid space, which is filled with CSF. This fluid acts as a shock absorber, protecting the brain from injury due to impacts or sudden movements.In addition to its protective role, the arachnoid membrane also plays a part in the overall health of the central nervous system. It helps regulate the flow of CSF, ensuring that there is a balance between production and absorption. Any disruption in this balance can lead to serious medical conditions, such as hydrocephalus, where excess fluid accumulates in the brain, causing increased pressure and potential damage.Furthermore, the arachnoid membrane is involved in the immune response of the central nervous system. It contains cells that can respond to infections or injuries, helping to protect the brain from pathogens and other harmful agents. This aspect of the arachnoid membrane highlights its importance not only as a physical barrier but also as an active participant in maintaining the health of the brain.Understanding the structure and function of the arachnoid membrane is crucial for medical professionals, especially those specializing in neurology and neurosurgery. Conditions affecting the meninges, including infections like meningitis or traumatic injuries, can have significant implications for patient health. By recognizing the role of the arachnoid membrane, healthcare providers can better diagnose and treat these conditions, ensuring that patients receive the appropriate care.In conclusion, the arachnoid membrane is a vital component of the protective system surrounding the brain and spinal cord. Its unique structure allows it to fulfill multiple functions, including protecting the central nervous system, regulating cerebrospinal fluid, and participating in immune responses. A thorough understanding of the arachnoid membrane and its significance is essential for anyone studying the complexities of the human brain and its protective mechanisms. As research continues to advance, we may uncover even more about the intricacies of the arachnoid membrane and its role in maintaining neurological health.

人脑是一个复杂的器官，需要保护和支持以正常运作。这个保护系统中的一个关键组成部分是蛛网膜，它是围绕大脑和脊髓的三层脑膜之一。脑膜由硬膜、蛛网膜和软膜组成，每一层在保护中枢神经系统方面都扮演着重要角色。蛛网膜位于硬膜和软膜之间，具有类似蜘蛛网的独特结构，这也是它名字的由来。这层精致的膜由松散排列的细胞组成，允许灵活和运动，同时仍然提供对有害物质的屏障。蛛网膜的主要功能是包含脑脊液（CSF），脑脊液在大脑和脊髓周围循环。脑脊液有几个重要的目的，包括缓冲大脑、提供营养和去除废物。蛛网膜和软膜之间的空间称为蛛网膜下腔，充满了脑脊液。这种液体作为减震器，保护大脑免受冲击或突然运动造成的伤害。除了保护作用外，蛛网膜还参与中枢神经系统的整体健康。它帮助调节脑脊液的流动，确保生产和吸收之间的平衡。任何这种平衡的干扰都可能导致严重的医疗状况，例如脑积水，过多的液体在大脑中积聚，导致压力增加和潜在损伤。此外，蛛网膜还参与中枢神经系统的免疫反应。它含有可以对感染或损伤作出反应的细胞，帮助保护大脑免受病原体和其他有害物质的侵害。蛛网膜这一方面突显了它不仅作为物理屏障的重要性，还作为维护大脑健康的积极参与者。理解蛛网膜的结构和功能对于医疗专业人员尤其是那些专注于神经学和神经外科的人至关重要。影响脑膜的疾病，包括脑膜炎等感染或创伤性损伤，可能对患者健康产生重大影响。通过认识蛛网膜的作用，医疗提供者可以更好地诊断和治疗这些疾病，确保患者接受适当的护理。总之，蛛网膜是围绕大脑和脊髓的保护系统的重要组成部分。它独特的结构使其能够履行多重功能，包括保护中枢神经系统、调节脑脊液和参与免疫反应。对蛛网膜及其重要性的透彻理解是任何研究人类大脑复杂性及其保护机制的人所必需的。随着研究的不断进展，我们可能会发现更多关于蛛网膜及其在维持神经健康中的作用的复杂性。