endothelium

简明释义

英[ˌendəʊˈθiːlɪəm]美[ˌendoˈθilɪəm]

n. [解剖] 内皮；内覆组织

复 数 e n d o t h e l i a

英英释义

单词用法

同义词

反义词

例句

1.The normal anionic charge barrier prevents protein molecules such as albumin from passing through the endothelium.

正常的阴离子屏障阻止象白蛋白这样的蛋白分子从内膜通过。

2.The tension of the vascular smooth muscle related with endothelium.

血管平滑肌的张力与内皮细胞相关。

3.Objective To investigate the effect of Fluvastatin on the endothelium dependent vasodilatation function in elder hypertensives.

目的研究氟伐他汀对老年高血压病患者内皮依赖性血管舒张功能的影响。

4.The fatty acids cross the following layers in passing from the endothelium into the adipose cell.

脂肪酸从通过血管内皮到进入脂肪细胞要通过以下几层。

5.It is possible EV71 may pass through vascular endothelium by infection or by transcytosis.

肠病毒如何穿越血管内皮的可能原因为直接感染内皮细胞、藉胞饮作用穿过血管层。

6.Conclusion PQN inhibits the expression of ICAM-1 in lung vascular endothelium, and had protective effects on acute lung injury induced by sepsis.

结论长托宁通过抑制肺血管内皮细胞ICAM - 1的表达，对大鼠脓毒症肺损伤具有保护作用。

7.Objective:To observe the changes of subcellular organ in pulmonary vascular endothelium after inhalation of nitric oxide(NO).

目的：以透射电镜观察吸入一氧化氮（NO）后肺血管内皮亚细胞结构的改变。

8.The white cells appear to fall out of the central column to assume positions in contact with the endothelium.

自细胞脱离中央的轴流，与内皮细胞接触。

9.At present, the study of endothelial dysfunction and protection of endothelium have become the focused issues.

内皮功能障碍的研究和血管内皮的保护成为目前研究的热点。

10.The damage to the endothelium 内皮 can lead to cardiovascular diseases.

对endothelium 内皮的损伤可能导致心血管疾病。

11.Researchers are studying how the endothelium 内皮 responds to inflammation.

研究人员正在研究endothelium 内皮如何对炎症作出反应。

12.The endothelium 内皮 plays a crucial role in regulating blood flow.

endothelium 内皮在调节血流方面起着关键作用。

13.A healthy endothelium 内皮 is essential for proper vascular function.

健康的endothelium 内皮对于正常的血管功能至关重要。

14.In diabetes, the endothelium 内皮 can become dysfunctional.

在糖尿病中，endothelium 内皮可能会出现功能障碍。

作文

The human body is a complex system composed of various types of cells, tissues, and organs that work together to maintain life. Among these, the endothelium (内皮) plays a crucial role in the circulatory system. It is a thin layer of cells that line the blood vessels, including arteries, veins, and capillaries. This specialized tissue serves several important functions that are vital for maintaining homeostasis and overall health. Firstly, the endothelium (内皮) acts as a barrier between the blood and the surrounding tissues. It regulates the passage of substances, such as nutrients and waste products, ensuring that only essential molecules can enter or exit the bloodstream. This selective permeability is critical for maintaining the proper balance of fluids and electrolytes in the body. Moreover, the endothelium (内皮) is involved in the regulation of blood flow and blood pressure. It produces various substances that help to dilate or constrict blood vessels, thus controlling the amount of blood that flows to different parts of the body. For instance, when the body requires more oxygen during physical activity, the endothelium (内皮) releases nitric oxide, a potent vasodilator that relaxes the smooth muscles in the blood vessel walls. This process enhances blood flow to the muscles, improving their performance and endurance. In addition to these functions, the endothelium (内皮) plays a significant role in inflammation and immune responses. When tissues are injured or infected, the endothelium (内皮) can become activated, allowing white blood cells to migrate from the bloodstream into the affected area. This response is essential for healing and protecting the body from pathogens. However, chronic activation of the endothelium (内皮) due to factors such as smoking, obesity, or diabetes can lead to a state of persistent inflammation, which is associated with various cardiovascular diseases. Furthermore, the integrity of the endothelium (内皮) is crucial for preventing thrombosis, or blood clot formation. A healthy endothelium (内皮) produces anticoagulant substances that inhibit platelet aggregation and the coagulation cascade. When the endothelium (内皮) is damaged, it can expose underlying tissues to circulating platelets, leading to unwanted clot formation. This is why maintaining endothelial health is vital for preventing conditions such as heart attacks and strokes. Research has shown that lifestyle choices significantly impact the health of the endothelium (内皮). Regular physical activity, a balanced diet rich in fruits and vegetables, and avoiding smoking can help maintain its function and integrity. Conversely, sedentary behavior, excessive alcohol consumption, and high levels of stress can negatively affect the endothelium (内皮), increasing the risk of cardiovascular diseases. In conclusion, the endothelium (内皮) is a fundamental component of the circulatory system, playing essential roles in regulating blood flow, maintaining barrier functions, and participating in immune responses. Understanding its functions and how various factors influence its health can empower individuals to make informed lifestyle choices that promote cardiovascular health. By prioritizing the well-being of our endothelium (内皮), we can enhance our overall health and reduce the risk of serious diseases.

人体是一个复杂的系统，由各种类型的细胞、组织和器官组成，它们共同工作以维持生命。在这些结构中，内皮（endothelium）在循环系统中扮演着至关重要的角色。它是一层薄薄的细胞，衬里血管，包括动脉、静脉和毛细血管。这种特殊的组织承担着几个重要功能，这些功能对维持体内平衡和整体健康至关重要。 首先，内皮（endothelium）作为血液与周围组织之间的屏障。它调节物质的通过，例如营养物质和废物，确保只有必要的分子能够进出血液。这种选择性通透性对于维持体内液体和电解质的适当平衡至关重要。 此外，内皮（endothelium）参与血流和血压的调节。它产生各种物质，帮助扩张或收缩血管，从而控制流向身体不同部位的血液量。例如，当身体在运动中需要更多氧气时，内皮（endothelium）释放一氧化氮，这是一种强效的血管扩张剂，可以放松血管壁中的平滑肌。这一过程增强了血流向肌肉的供应，提高了其表现和耐力。 除了这些功能外，内皮（endothelium）在炎症和免疫反应中也发挥着重要作用。当组织受伤或感染时，内皮（endothelium）可以被激活，允许白细胞从血液中迁移到受影响区域。这一反应对于愈合和保护身体免受病原体的侵害至关重要。然而，由于吸烟、肥胖或糖尿病等因素导致的内皮（endothelium）慢性激活可能导致持续的炎症状态，与各种心血管疾病相关。 此外，内皮（endothelium）的完整性对于防止血栓形成至关重要。健康的内皮（endothelium）产生抗凝物质，抑制血小板聚集和凝血级联反应。当内皮（endothelium）受损时，它可能会暴露底层组织给循环的血小板，导致不必要的血块形成。这就是为什么维持内皮健康对于预防心脏病发作和中风等疾病至关重要。 研究表明，生活方式选择显著影响内皮（endothelium）的健康。定期的身体活动、富含水果和蔬菜的均衡饮食以及避免吸烟可以帮助维持其功能和完整性。相反，久坐行为、过度饮酒和高水平的压力可能会对内皮（endothelium）产生负面影响，增加心血管疾病的风险。 总之，内皮（endothelium）是循环系统的基本组成部分，在调节血流、维持屏障功能和参与免疫反应中发挥着至关重要的作用。了解其功能以及各种因素如何影响其健康，可以使个人做出明智的生活方式选择，以促进心血管健康。通过优先考虑我们内皮（endothelium）的健康，我们可以提升整体健康水平，并减少严重疾病的风险。