avascular

简明释义

英[/ˌeɪˈvæs.kjʊ.lər/]美[/ˌeɪˈvæs.kjʊ.lər/]

adj. [医] 无血管的

英英释义

单词用法

同义词

反义词

例句

1.The avascular villi of molar pregnancy are quite large.

葡萄胎无血管的绒毛是十分大的。

2.Blood supply reestablishment of avascular necrosis of femoral head with digital subtraction angiography.

股骨头坏死血供重建的数字减影血管造影研究。

3.Objective To establish a new animal model for the study of avascular necrosis of the femoral head.

目的为股骨头坏死的治疗研究建立一种新型的动物模型。

4.Objective To investigate the efficiency of interventional treatment for avascular necrosis of the femoral head.

目的探讨经导灌注药物治疗股骨头缺血坏死的疗效。

5.Objective:To study CT features of avascular necrosis of femoral heads.

目的：探讨股骨头缺血性坏死的CT表现。

6.Injury results in avascular necrosis of the odontoid process over a period of months or years.

外伤导致齿突尖缺血性坏死超过数月或数年。

7.Purpose: To evaluate the features and staging of avascular necrosis of the femoral head (ANFH) using Low-field MRI.

目的：分析股骨头缺血坏死（ANFH）低场MRI征象，评价ANFH的MRI分期及其关节积液的分级。

8.The cornea is an example of an avascular 无血管的 tissue, which helps it remain transparent.

角膜是一个例子，它是一个无血管的组织，这使得它保持透明。

9.In certain conditions, the avascular 无血管的 regions of the bone can lead to necrosis.

在某些情况下，骨骼的无血管的区域可能导致坏死。

10.Cartilage is primarily avascular 无血管的, relying on diffusion for nutrient supply.

软骨主要是无血管的，依靠扩散来供应养分。

11.The avascular 无血管的 nature of the lens in the eye contributes to its clarity.

眼睛中晶状体的无血管的特性有助于其清晰度。

12.An avascular 无血管的 graft may not heal properly due to lack of blood supply.

由于缺乏血液供应，无血管的移植物可能无法正确愈合。

作文

In the field of medicine, understanding various terms is crucial for effective communication and diagnosis. One such term that often comes up in discussions about tissue health and injury is avascular. The word avascular refers to a condition where a tissue or organ lacks blood vessels. This absence of vascular supply can significantly impact the healing process and overall functionality of the affected area. For instance, certain types of cartilage in the human body are classified as avascular, meaning they do not have a direct blood supply. This characteristic makes it challenging for these tissues to heal after injury, as they rely on diffusion from surrounding tissues to receive nutrients and remove waste products. The implications of being avascular extend beyond just cartilage. Many organs, such as the cornea of the eye, are also considered avascular. The cornea is crucial for vision, yet its lack of blood vessels helps maintain transparency, which is essential for light to pass through. However, this avascular nature also means that any damage to the cornea can be slow to heal, requiring careful management to prevent complications. Additionally, the concept of avascular is important in the context of surgical procedures. Surgeons must consider the avascular regions when planning operations, particularly when it comes to grafting and tissue repair. For example, if a surgeon needs to repair a tendon, they must be aware that tendons are relatively avascular. The healing process may require additional interventions, such as physical therapy or the use of growth factors, to promote recovery in these regions. Furthermore, the study of avascular tissues has led to advancements in regenerative medicine. Researchers are exploring ways to enhance blood supply to avascular areas to improve healing. Techniques such as tissue engineering aim to create scaffolds that can support the growth of new blood vessels, thereby addressing the challenges posed by avascular conditions. This research holds promise for treating injuries and degenerative diseases, offering hope for improved outcomes in patients with avascular tissues. In conclusion, the term avascular is significant in various medical contexts, highlighting the challenges associated with tissues that lack blood vessels. Understanding the implications of being avascular is essential for healthcare professionals, as it influences treatment strategies and patient care. As research continues to evolve, there is potential for innovative solutions to enhance healing in avascular regions, ultimately improving the quality of life for individuals affected by these conditions.

在医学领域，理解各种术语对于有效沟通和诊断至关重要。其中一个常常出现在关于组织健康和损伤讨论中的术语是无血管。这个词无血管指的是一种条件，即组织或器官缺乏血管。这种血液供应的缺失可以显著影响受影响区域的愈合过程和整体功能。例如，人体内某些类型的软骨被归类为无血管，这意味着它们没有直接的血液供应。这一特征使得这些组织在受伤后愈合变得困难，因为它们依赖于周围组织的扩散来获取营养和清除废物。 无血管的影响不仅限于软骨。许多器官，例如眼睛的角膜，也被认为是无血管的。角膜对视觉至关重要，但它缺乏血管有助于保持透明度，这对于光线通过是必不可少的。然而，这种无血管特性也意味着角膜的任何损伤愈合都可能缓慢，需要仔细管理以防止并发症。 此外，在外科手术的背景下，无血管的概念也很重要。外科医生在规划手术时必须考虑无血管区域，特别是在移植和组织修复方面。例如，如果外科医生需要修复肌腱，他们必须意识到肌腱相对无血管。愈合过程可能需要额外的干预，如物理治疗或生长因子的使用，以促进这些区域的恢复。 此外，对无血管组织的研究推动了再生医学的发展。研究人员正在探索增强无血管区域血液供应的方法，以改善愈合。组织工程等技术旨在创建支架，以支持新血管的生长，从而解决无血管条件所带来的挑战。这项研究对治疗损伤和退行性疾病充满希望，为改善受这些条件影响的患者的结果提供了希望。 总之，术语无血管在各种医学背景中具有重要意义，突显了缺乏血管的组织所面临的挑战。理解无血管的含义对医疗专业人员至关重要，因为它影响治疗策略和患者护理。随着研究的不断发展，有可能找到创新的解决方案，以增强无血管区域的愈合，最终改善受这些条件影响的个体的生活质量。