homograft

简明释义

英[/ˈhoʊməˌɡræft/]美[/ˈhoʊməˌɡræft/]

n. [免疫][生物] 同种移植物

英英释义

单词用法

同义词

反义词

例句

1.Objective :to observe the effect of homograft of Irradiated Human Umbilical Artery Incorporated with Silver.

目的：观察辐照含银脐动脉的抑菌性能及移植效果。

2.To study the influence of the different preservative methods on homograft costal cartilage.

探讨不同保存方法对同种异体肋软骨移植的影响。

3.Conclusion: Reconstruction of acusticus back wall and hearing after radical mastoidectomy with homograft costal cartilage is effective to prevent mastoid cavity infection and improve hearing.

结论：以同种异体肋软骨对乳突根治术后耳行外耳道后壁及听力重建术，是防止乳突腔感染，提高听力的较理想方法。

4.To investigate factors affecting calcium content in aortic valved homograft tissues in rats.

目的研究同种带瓣主动脉移植后影响供体组织钙含量的因素。

5.Cryopreserved homograft pericardium patch group, 15 cases, their RVOT were enlarged with cryopreserved homograft pericardium patches.

人同种心包补片组：15例，以深低温冷冻保存的人同种心包补片扩大RVOT。

6.ConclusionThe homograft aortic valves cryopreserved by modified two-step method have a good long-term effect in clinical application.

结论改良两步法保存的带瓣主动脉临床应用具有良好的远期效果。

7.METHODS The aortic homograft conduit which had been cryopreserved for 60 days were end to end heterotopically implanted into the abdominal aorta of SD rats.

方法经低温保存6 0 d的SD大鼠同种异体主动脉以端对端的方式异位植入SD大鼠的腹主动脉。

8.Using a homograft can reduce the risk of rejection compared to an autograft.

与自体移植物相比，使用同种移植物可以降低排斥反应的风险。

9.The homograft was sourced from a donor who had passed away recently.

这个同种移植物是从最近去世的捐赠者那里获得的。

10.The surgeon decided to use a homograft for the heart valve replacement surgery.

外科医生决定在心脏瓣膜置换手术中使用同种移植物。

11.In orthopedic surgeries, a homograft may be used to replace a damaged ligament.

在骨科手术中，可以使用同种移植物来替换受损的韧带。

12.After the accident, the patient received a homograft to repair the damaged tissue.

事故后，患者接受了一个同种移植物来修复受损的组织。

作文

In the field of medicine, advancements in surgical techniques and transplant procedures have significantly improved the quality of life for many patients. One such advancement is the use of a homograft, which plays a crucial role in various surgical operations. A homograft refers to a tissue graft obtained from a donor of the same species as the recipient but genetically different. This type of graft is particularly beneficial in situations where the patient's own tissues are damaged or insufficient for repair. The history of homografts dates back several decades, with early applications seen in skin grafting and orthopedic surgeries. Over time, the technology and techniques surrounding homografts have evolved, leading to their use in more complex procedures such as heart valve replacements and vascular surgeries. The primary advantage of using a homograft is that it reduces the risk of rejection compared to xenografts, which are taken from different species. However, the risk of rejection still exists, and careful matching and screening of donors are essential to minimize this risk.One of the most significant applications of homografts is in cardiac surgery. For instance, when a patient requires a valve replacement, surgeons can use a homograft from a human donor. This option is often preferred over mechanical valves because homografts tend to integrate better with the body and have a lower risk of thromboembolism. Moreover, patients receiving homografts typically have a better long-term prognosis compared to those with synthetic alternatives.Another area where homografts are invaluable is in orthopedic surgery, particularly in reconstructive procedures. When a patient suffers from severe joint damage or bone loss, surgeons may use a homograft to replace the damaged tissue. This approach not only aids in restoring function but also promotes healing by providing a scaffold for new tissue growth. The use of homografts in these scenarios has been associated with improved outcomes and reduced recovery times.Despite their benefits, the use of homografts is not without challenges. The availability of suitable donor tissues can be limited, and ethical considerations regarding organ donation must be addressed. Additionally, the potential for disease transmission from donor to recipient, although rare, remains a concern. Therefore, stringent screening processes are in place to ensure the safety of homografts before they are used in surgical procedures.In conclusion, homografts represent a significant advancement in the realm of surgical transplants. Their ability to provide compatible tissue for patients in need of repair or replacement has transformed many medical practices. As technology continues to advance, the efficacy and safety of homografts will likely improve, offering hope to countless patients across the globe. Understanding the role of homografts in modern medicine is essential, as they not only enhance surgical outcomes but also pave the way for future innovations in tissue transplantation.

在医学领域，外科技术和移植手术的进步显著改善了许多患者的生活质量。其中一个重要的进展是使用同种移植物，它在各种外科手术中发挥着至关重要的作用。同种移植物是指从与接受者属于同一物种但基因不同的供体处获得的组织移植物。这种类型的移植物在患者自身组织受损或不足以修复的情况下尤其有益。同种移植物的历史可以追溯到几十年前，早期应用于皮肤移植和骨科手术。随着时间的推移，围绕同种移植物的技术和技术不断发展，导致它们在更复杂的程序中得以使用，例如心脏瓣膜置换和血管手术。使用同种移植物的主要优点是，与异种移植物相比，它降低了排斥反应的风险，异种移植物是从不同物种中提取的。然而，排斥反应的风险仍然存在，因此仔细匹配和筛查供体对于最小化这种风险至关重要。同种移植物的一个重要应用是在心脏外科手术中。例如，当患者需要瓣膜置换时，外科医生可以使用来自人类供体的同种移植物。这个选择通常比机械瓣膜更受欢迎，因为同种移植物往往与身体更好地融合，并且血栓栓塞的风险较低。此外，接受同种移植物的患者通常比那些使用合成替代品的患者具有更好的长期预后。在骨科手术中，同种移植物也不可或缺，特别是在重建手术中。当患者遭受严重的关节损伤或骨丧失时，外科医生可能会使用同种移植物来替换受损的组织。这种方法不仅有助于恢复功能，还通过提供新组织生长的支架来促进愈合。在这些情况下使用同种移植物与改善的结果和缩短的恢复时间相关联。尽管有其好处，使用同种移植物并非没有挑战。适合的供体组织的可用性可能有限，关于器官捐献的伦理问题必须得到解决。此外，从供体到受体传播疾病的潜在风险虽然很少，但仍然是一个关注点。因此，在外科手术中使用同种移植物之前，必须进行严格的筛查过程以确保其安全性。总之，同种移植物代表了外科移植领域的重要进展。它们为需要修复或替换的患者提供兼容组织的能力改变了许多医疗实践。随着技术的不断进步，同种移植物的有效性和安全性可能会提高，为全球无数患者带来希望。理解同种移植物在现代医学中的作用至关重要，因为它们不仅增强了外科结果，还为未来的组织移植创新铺平了道路。