granulomas

简明释义

英[ˌɡræn.jəˈloʊ.məs]美[ˌɡræn.jəˈloʊ.məs]

n. [医] 肉芽肿

英英释义

单词用法

同义词

反义词

例句

1.Here are two pulmonary granulomas.

两个肺部肉芽肿。

2.Granulomas due to infection are often "caseating" because they have prominent caseous necrosis.

感染引起的肉芽肿通常称为干酪样化，是因为通常有典型的干酪样坏死。

3.Sometimes bumps called granulomas form around tattoo ink - especially red ink.

有时会在纹身部位颜料周围出现硬颗粒状肿块，如上所述，特别是红色颜料附近。

4.Factor which caused misdiagnosis were:insufficient attention of the disease, diverse clinical presentations, or over emphasis of the diagnosis value of granulomas.

误诊原因为对本病的认识不足、肠道病变多部位性、临床症状多样化、过于强调病理学检查及肉芽肿的诊断意义。

5.Pyogenic granulomas are the most common benign vascular tumors or tumor-like lesions.

良性病变中化脓性肉芽肿最多。

6.The results showed that 4-5 weeks after infection, only minimal granulomas were observed which consisted largely of eosinophils and lymphocytes.

结果发现，在感染后4 ~ 5周的未成熟虫卵周围，主要组成细胞是嗜酸性白细胞，其次是淋巴细胞、巨噬细胞和成纤维细胞。

7.Overall, lick granulomas are very difficult to treat, with control only being achieved in about 65 percent of cases.

总的来说，嗜舔性皮肤炎要想治愈相当困难，仅有65%的病例得到控制。

8.The biopsy revealed the presence of granulomas, which are small areas of inflammation.

活检显示存在肉芽肿，这是小的炎症区域。

9.Doctors often find granulomas in patients with sarcoidosis.

医生常在患有结节病的患者中发现肉芽肿。

10.The formation of granulomas can be a response to infections or foreign substances.

形成肉芽肿可能是对感染或外来物质的反应。

11.In some cases, granulomas can lead to tissue damage if left untreated.

在某些情况下，如果不治疗，肉芽肿可能导致组织损伤。

12.Chronic inflammation can result in the development of granulomas in various organs.

慢性炎症可能导致各个器官中出现肉芽肿。

作文

Granulomas are small areas of inflammation in tissue, often resulting from a chronic immune response to various irritants, infections, or foreign substances. This phenomenon can be observed in a variety of medical conditions, such as tuberculosis, sarcoidosis, and Crohn's disease. The formation of granulomas (肉芽肿) is the body's attempt to isolate and contain substances that it cannot eliminate. These structures are composed of macrophages, lymphocytes, and other immune cells that work together to encapsulate the offending agents. The pathophysiology of granulomas (肉芽肿) involves a complex interplay between the immune system and the offending agent. When the body encounters a persistent irritant, the immune system responds by recruiting immune cells to the site of infection or irritation. Macrophages, which are specialized cells that engulf and digest pathogens, play a crucial role in this process. However, when they cannot completely eliminate the irritant, they transform into multinucleated giant cells and form a structure known as a granuloma. Clinically, the presence of granulomas (肉芽肿) can indicate an underlying disease. For instance, in tuberculosis, the bacteria Mycobacterium tuberculosis can provoke the formation of granulomas in the lungs. These granulomas serve to wall off the bacteria, but they can also cause lung damage and impair respiratory function if they become too numerous. Similarly, in sarcoidosis, granulomas can develop in various organs, including the lungs, skin, and lymph nodes, leading to a range of symptoms depending on the organs affected. Diagnosis of conditions involving granulomas (肉芽肿) typically involves imaging studies, such as X-rays or CT scans, and may require biopsy to confirm the presence of granulomatous inflammation. Treatment varies based on the underlying cause of the granulomas. In some cases, such as with sarcoidosis, treatment may not be necessary if the granulomas are asymptomatic. However, if they cause significant symptoms or complications, corticosteroids or other immunosuppressive medications may be prescribed to reduce inflammation. Research continues to explore the mechanisms behind granulomas (肉芽肿) and their implications in various diseases. Understanding how these structures form and function can provide insights into the immune response and potential therapeutic targets for conditions characterized by granulomatous inflammation. Furthermore, advancements in imaging and biopsy techniques have improved our ability to diagnose and manage diseases associated with granulomas (肉芽肿). In conclusion, granulomas (肉芽肿) are a fascinating aspect of the immune response, representing the body's effort to contain and resolve persistent irritants. While they can indicate serious underlying health issues, understanding their role can aid in diagnosis and treatment. As research progresses, we may uncover new strategies to address the conditions linked to granulomatous inflammation, ultimately improving patient outcomes.

肉芽肿是组织中小的炎症区域，通常是由于对各种刺激物、感染或外来物质的慢性免疫反应而导致的。这种现象可以在多种医学条件中观察到，如结核病、肉芽肿病和克罗恩病。granulomas（肉芽肿）的形成是身体试图隔离和控制无法消除的物质。这些结构由巨噬细胞、淋巴细胞和其他免疫细胞组成，这些细胞共同工作以封装有害物质。 granulomas（肉芽肿）的病理生理学涉及免疫系统与致病因子之间的复杂相互作用。当身体遇到持续的刺激物时，免疫系统通过招募免疫细胞到感染或刺激的部位作出反应。巨噬细胞是专门吞噬和消化病原体的细胞，在这个过程中发挥着关键作用。然而，当它们无法完全消除刺激物时，它们会转变为多核巨细胞，形成一种称为肉芽肿的结构。 临床上，granulomas（肉芽肿）的存在可能表明潜在的疾病。例如，在结核病中，分枝杆菌可以引发肺部肉芽肿的形成。这些肉芽肿旨在将细菌包围，但如果数量过多，也可能导致肺部损伤并影响呼吸功能。同样，在肉芽肿病中，肉芽肿可以在包括肺、皮肤和淋巴结等多个器官中发展，导致根据受影响器官不同而出现一系列症状。 涉及granulomas（肉芽肿）的疾病的诊断通常涉及影像学检查，如X光或CT扫描，并可能需要活检以确认肉芽肿性炎症的存在。治疗因肉芽肿的潜在原因而异。在某些情况下，例如在肉芽肿病中，如果肉芽肿没有症状，则可能不需要治疗。然而，如果它们导致显著的症状或并发症，可能会开处方类固醇或其他免疫抑制药物以减少炎症。 研究继续探索granulomas（肉芽肿）背后的机制及其在各种疾病中的意义。理解这些结构如何形成和运作可以提供对免疫反应的见解以及针对特征性肉芽肿性炎症的潜在治疗靶点。此外，影像学和活检技术的进步改善了我们诊断和管理与granulomas（肉芽肿）相关的疾病的能力。 总之，granulomas（肉芽肿）是免疫反应的一个迷人方面，代表着身体对持续刺激物的控制和解决的努力。虽然它们可能表明严重的潜在健康问题，但理解它们的作用可以帮助诊断和治疗。随着研究的进展，我们可能会发现新的策略来解决与肉芽肿性炎症相关的疾病，从而最终改善患者的结果。