allograft

简明释义

英[ˈæləʊˌɡrɑːft]美[ˈæloɡræft]

n. [病理] 同种异体移植物

英英释义

单词用法

同义词

反义词

例句

1.Homogeneous bone allograft is most commonly used to treat bone defect.

同种异体骨移植是治疗骨缺损最常采用的方法。

2.Recent developments in allograft technology have primarily addressed issues pertaining to graft sterility, storage, and longevity.

近期的进展主要在移植物的缺乏、储存和使用寿命上。

3.Fresh allograft group: No tenocyte, and few new collagen fibril could be seen, thick collagen fibril arranged at random and loose.

未经处理的同种异体肌腱组：偶见腱细胞，未见到新生的细胶原原纤维，粗胶原原纤维排列紊乱、疏松。

4.Objective To study donor bone marrow infusion relieving acute rejection of rat lung allograft.

目的研究供体骨髓细胞输注减轻大鼠肺移植急性排斥反应。

5.Further studies are needed to determine whether restoration of normal BP pattern will confer better allograft outcome.

需要进一步的研究来证实恢复正常血压变化规律是否能改善移植肾的预后。

6.Objective To explore the clinical significance of early diagnose and treatment of subclinical renal allograft rejection.

目的探讨对移植肾亚临床排斥反应进行早期诊断、早期治疗的临床意义。

7.Now, acetabular reconstructions that are conducted with autograft and allograft filling the defect and special techniques are effective.

应用自体骨和同种异体骨移植填充骨缺损，目前使用特殊的重建方法行髋臼重建已取得了一定的疗效。

8.The development of a reliable, reproducible, efficient, and economical animal model of allograft healing was the first priority.

一种可靠可重复，有效并且经济的同种异体骨移植愈合动物模型是最优先发展的。

9.An allograft can help improve the healing process in patients with severe bone injuries.

对于严重骨伤患者，同种异体移植可以帮助改善愈合过程。

10.After the accident, doctors recommended an allograft to repair the damaged tissue.

事故发生后，医生建议使用同种异体移植来修复受损组织。

11.Research shows that allografts have a lower rejection rate compared to xenografts.

研究表明，同种异体移植的排斥率低于异种移植。

12.In organ transplantation, an allograft is often used to replace a failing organ.

在器官移植中，同种异体移植通常用于替代衰竭的器官。

13.The surgeon decided to use an allograft for the knee reconstruction surgery.

外科医生决定在膝关节重建手术中使用同种异体移植。

作文

In the field of medicine, particularly in transplantation, the term allograft refers to a tissue or organ that is transplanted from one individual to another of the same species but with a different genetic makeup. This process plays a crucial role in modern medical practices, especially for patients suffering from organ failure or severe injuries. Understanding the concept of allograft is essential for both medical professionals and patients who may find themselves in need of such procedures.The history of allograft transplantation dates back several decades. Initially, the idea of transplanting organs was met with skepticism due to the body's natural tendency to reject foreign tissues. However, advancements in immunology and surgical techniques have significantly improved the success rates of allograft transplants. Today, many patients rely on these procedures to enhance their quality of life and extend their lifespan.One of the most common types of allograft is kidney transplantation. For individuals with end-stage renal disease, receiving a kidney from a living or deceased donor can be life-saving. The procedure involves careful matching of donor and recipient characteristics, including blood type and tissue compatibility, to minimize the risk of rejection. Following the transplant, patients must adhere to a strict regimen of immunosuppressive medications to prevent their bodies from attacking the new organ, which is a crucial aspect of managing allograft success.Another significant application of allograft is in orthopedic surgery, where bone and cartilage tissues are transplanted to repair injuries or defects. For instance, athletes suffering from severe ligament injuries may benefit from an allograft of a tendon, which can restore function and enable them to return to their sport. The use of allograft tissues in these cases highlights the versatility of transplantation beyond traditional organ transplants.Despite the numerous benefits associated with allograft transplants, there are challenges that both patients and healthcare providers face. One major concern is the possibility of rejection, where the recipient's immune system identifies the transplanted tissue as foreign and mounts an attack against it. This can lead to complications and, in severe cases, the failure of the transplanted organ or tissue. Therefore, ongoing research in the field of transplantation aims to develop better immunosuppressive therapies and techniques to improve the outcomes of allograft procedures.Furthermore, the ethical implications surrounding allograft transplantation cannot be overlooked. Issues such as organ donation consent, allocation of scarce resources, and the commercialization of human tissues raise important questions that society must address. Engaging in open discussions about these topics is vital to ensure that the practice of allograft transplantation remains ethical and equitable.In conclusion, the concept of allograft is fundamental to the field of transplantation medicine. It encompasses a wide range of procedures that can significantly improve the lives of individuals facing serious health challenges. As medical science continues to evolve, the understanding and application of allograft transplants will likely expand, offering hope to countless patients around the world. Therefore, it is imperative for both the medical community and the general public to remain informed about the advancements and ethical considerations surrounding allograft transplantation.

在医学领域，特别是在移植方面，术语allograft指的是从一个个体移植到另一个具有不同基因组成的同种个体的组织或器官。这个过程在现代医疗实践中发挥着至关重要的作用，尤其是对于那些遭受器官衰竭或严重损伤的患者而言。理解allograft的概念对医疗专业人员和可能需要这种程序的患者来说都是至关重要的。allograft移植的历史可以追溯到几十年前。最初，移植器官的想法由于身体自然倾向于拒绝外来组织而受到怀疑。然而，免疫学和外科技术的进步显著提高了allograft移植的成功率。如今，许多患者依赖这些程序来提高生活质量和延长寿命。最常见的allograft类型之一是肾脏移植。对于患有终末期肾病的个体来说，从活体或已故供体那里接受肾脏可能是救命的。该程序涉及仔细匹配供体和受体的特征，包括血型和组织相容性，以尽量减少排斥反应的风险。在移植后，患者必须遵循严格的免疫抑制药物方案，以防止他们的身体攻击新的器官，这是管理allograft成功的重要方面。allograft的另一个重要应用是在骨科手术中，骨骼和软骨组织被移植以修复损伤或缺陷。例如，遭受严重韧带损伤的运动员可能会受益于腱的allograft，这可以恢复功能并使他们能够重返运动。这些案例中allograft组织的使用突显了移植的多功能性，超越了传统的器官移植。尽管与allograft移植相关的好处很多，但患者和医疗提供者面临的挑战也不容忽视。一个主要问题是排斥的可能性，即接受者的免疫系统将移植的组织识别为外来物并发起攻击。这可能导致并发症，并在严重情况下导致移植的器官或组织失败。因此，移植领域的持续研究旨在开发更好的免疫抑制治疗和技术，以改善allograft程序的结果。此外，围绕allograft移植的伦理问题也不能被忽视。诸如器官捐赠同意、稀缺资源分配和人类组织商业化等问题提出了重要的问题，社会必须加以解决。就这些话题进行公开讨论对于确保allograft移植的实践保持伦理和公平至关重要。总之，allograft的概念是移植医学领域的基础。它涵盖了一系列程序，可以显著改善面临严重健康挑战的个体的生活。随着医学科学的不断发展，对allograft移植的理解和应用可能会扩大，为全球无数患者带来希望。因此，医疗界和公众都必须保持对allograft移植相关进展和伦理考量的关注。