heterograft

简明释义

英[ˈhet(ə)rə(ʊ)grɑːft]美[ˈhetəroɡræft]

n. 异种移植；异种移植物

英英释义

单词用法

同义词

反义词

例句

1.BACKGROUND: Research about the repair of articular cartilage with heterograft chondrocytes is frequently reported, but the method may cause immune rejection.

背景：应用异体软骨细胞移植修复关节软骨缺损的研究较多，但其可引起免疫反应。

2.BACKGROUND: Research about the repair of articular cartilage with heterograft chondrocytes is frequently reported, but the method may cause immune rejection.

背景：应用异体软骨细胞移植修复关节软骨缺损的研究较多，但其可引起免疫反应。

3.The surgeon decided to use a heterograft for the skin transplant procedure.

外科医生决定在皮肤移植手术中使用异种移植物。

4.In some cases, a heterograft can provide better integration with the host tissue.

在某些情况下，异种移植物可以更好地与宿主组织整合。

5.After the accident, he received a heterograft from a pig to help heal his wounds.

事故后，他接受了来自猪的异种移植物以帮助愈合伤口。

6.Researchers are studying the effectiveness of heterografts in regenerative medicine.

研究人员正在研究异种移植物在再生医学中的有效性。

7.A successful heterograft can significantly improve recovery time for patients.

成功的异种移植物可以显著改善患者的恢复时间。

作文

In the field of medicine, the term heterograft refers to a graft that is taken from a donor of a different species. This process is particularly significant in transplantation surgery, where the availability of suitable human organs can be limited. Understanding the implications and applications of a heterograft is essential for both medical professionals and patients alike. Historically, the use of heterografts dates back several decades, with early attempts involving animal tissues being used to replace damaged human tissues. One of the most common examples of a heterograft is the use of porcine (pig) heart valves in humans. The anatomical similarities between pig valves and human valves make them an ideal candidate for replacement, especially in patients who may not have access to human donors. The advantages of using heterografts include the abundance of animal tissues available for transplantation and the reduced waiting time for patients needing urgent care. Additionally, heterografts can sometimes be processed in such a way that they are less likely to be rejected by the human body. However, there are still challenges involved in this type of transplantation. One major concern is the risk of disease transmission from animals to humans, known as zoonosis. This potential risk necessitates rigorous screening and processing of heterografts to ensure that they are safe for use. Furthermore, the immune response to a heterograft can be unpredictable, and patients may require long-term immunosuppressive therapy to prevent rejection. Despite these challenges, research continues to advance in the field of heterografts. Scientists are exploring ways to enhance the compatibility of animal tissues with human biology, including genetic modifications and advanced tissue engineering techniques. For example, bioengineering may allow researchers to create synthetic tissues that mimic the properties of natural tissues, reducing the reliance on animal donors. In conclusion, the concept of heterograft plays a vital role in modern medicine, particularly in the realm of transplantation. While there are both benefits and risks associated with the use of heterografts, ongoing research and advancements in technology hold the promise of improving outcomes for patients in need of transplants. As our understanding of immunology and tissue compatibility grows, the future of heterografts may become even more promising, potentially saving countless lives and enhancing the quality of care for individuals facing organ failure. In summary, a heterograft (异种移植物) is an essential component of surgical practices that addresses the critical shortage of human organs available for transplantation. Its application, while complex, underscores the importance of innovation and research in the healthcare field, aiming to provide better solutions for patients in dire need of medical intervention.

在医学领域，术语异种移植物指的是从不同物种的供体处取出的移植物。这一过程在移植手术中尤为重要，因为可用的人体器官数量有限。理解异种移植物的含义和应用对于医疗专业人士和患者来说都至关重要。 历史上，使用异种移植物可以追溯到几十年前，早期的尝试涉及使用动物组织来替代损坏的人体组织。异种移植物最常见的例子之一是将猪心瓣膜用于人类。猪瓣膜与人类瓣膜的解剖相似性使它们成为理想的替代品，特别是对于那些无法获得人体供体的患者。 使用异种移植物的优点包括可用于移植的动物组织丰富，以及需要紧急护理的患者的等待时间减少。此外，异种移植物有时可以经过处理，从而降低被人体拒绝的可能性。然而，这种类型的移植仍然面临挑战。 一个主要问题是动物与人类之间的疾病传播风险，称为人畜共患病。这一潜在风险要求对异种移植物进行严格筛查和处理，以确保其使用安全。此外，对异种移植物的免疫反应可能是不可预测的，患者可能需要长期的免疫抑制治疗以防止排斥。 尽管面临这些挑战，研究在异种移植物领域仍在不断推进。科学家们正在探索增强动物组织与人类生物相容性的方法，包括基因改造和先进的组织工程技术。例如，生物工程可能使研究人员能够创造出模仿自然组织特性的合成组织，从而减少对动物供体的依赖。 总之，异种移植物的概念在现代医学中扮演着至关重要的角色，尤其是在移植领域。虽然使用异种移植物存在益处和风险，但持续的研究和技术进步给需要移植的患者带来了改善的前景。随着我们对免疫学和组织相容性的理解不断加深，异种移植物的未来可能变得更加光明，有望挽救无数生命，提高面临器官衰竭的个体的护理质量。 总之，异种移植物（异种移植物）是外科实践中的一个重要组成部分，解决了可用于移植的人体器官短缺的关键问题。它的应用虽然复杂，但突显了医疗领域创新和研究的重要性，旨在为急需医疗干预的患者提供更好的解决方案。