preimplantation

简明释义

英[priːˌɪmplænˈteɪʃən]美[priːˌɪmplænˈteɪʃən]

adj. （子宫中）胚胎植入前的

英英释义

单词用法

同义词

反义词

例句

1.Objective: To establish the method of preimplantation genetic diagnosis (PGD) by use of first polar bodies.

前言：目的：建立采用第一极体植入前染色体非整倍体诊断的方法。

2.Making the most of M-FISH techniques in cancer research and preimplantation genetic diagnostics.

FISH技术在肿瘤生物学研究及临床细胞遗传学、出生前诊断等被广泛应用。

3.Conclusions: Human preimplantation embryos express HLA-G protein.

结论：着床前人类早期胚胎表达HLA - G蛋白。

4.Preimplantation development of reconstructed embryos by nuclear transfer was studied.

小鼠体细胞核移植重构胚的着床前发育情况。

5.This review summaries current development on the gene expression and control of mammalian preimplantation embryo.

综述近年来哺乳动物胚胎着床前这一发育阶段基因表达与调控的研究进展。

6.Called preimplantation genetic diagnosis, it involves taking a single cell from an embryo when it contains only eight or so cells.

这种称为着床前胚胎遗传学诊断的方法包括从仅含有约8个细胞的胚胎组织中分离单个细胞。

7.Objective To investigate the effects of leptin on development of mouse preimplantation embryos in vitro.

目的探讨瘦素在体外对小鼠着床前胚胎发育的影响。

8.This study systematically introduced the method of cytoskeleton detection in mouse oocytes and preimplantation embryos by confocal laser scanning microscopy and immunofluorescent staining technique.

介绍了应用激光扫描共聚焦显微镜，结合免疫荧光技术研究卵母细胞和早期胚胎细胞骨架的方法。

9.The doctor explained the process of preimplantation 胚胎植入前 genetic diagnosis to the couple.

医生向这对夫妇解释了胚胎植入前基因诊断的过程。

10.Couples undergoing preimplantation 胚胎植入前 genetic screening can make informed decisions about their embryos.

接受胚胎植入前基因筛查的夫妇可以对他们的胚胎做出明智的决定。

11.The clinic specializes in preimplantation 胚胎植入前 genetic testing for inherited diseases.

该诊所专门进行遗传病的胚胎植入前基因检测。

12.The success rate of IVF can be improved with preimplantation 胚胎植入前 testing.

通过胚胎植入前检测，可以提高试管婴儿的成功率。

13.In preimplantation 胚胎植入前 screening, embryos are tested for genetic disorders before being implanted.

在胚胎植入前筛查中，胚胎在植入前会被检测是否有遗传疾病。

作文

In recent years, advances in reproductive technology have opened new avenues for couples facing infertility. One of the most significant developments in this field is the process of preimplantation genetic diagnosis (PGD), which allows for the screening of embryos before they are implanted into the uterus. This process not only increases the chances of a successful pregnancy but also minimizes the risk of genetic disorders in the offspring. Understanding the implications and benefits of preimplantation technology is crucial for those considering it as an option. The journey begins with in vitro fertilization (IVF), where eggs are retrieved from the ovaries and fertilized with sperm in a laboratory setting. After fertilization, the embryos are cultured for several days. During this time, doctors can perform preimplantation genetic testing on the embryos to identify any genetic abnormalities. This testing is particularly beneficial for couples with a history of genetic disorders or those who are carriers of specific genetic conditions. By selecting healthy embryos, couples can significantly reduce the likelihood of passing on genetic diseases to their children.Moreover, the preimplantation process allows for the selection of embryos based on various factors, including gender and genetic health. This aspect of reproductive technology raises ethical questions, particularly regarding the potential for 'designer babies.' While many support the use of preimplantation technology for preventing severe genetic disorders, others express concerns about the implications of choosing traits such as physical appearance or intelligence. It is essential for society to engage in discussions about the ethical boundaries of such technologies to ensure responsible use.Another important consideration is the emotional and psychological impact of preimplantation genetic diagnosis on couples. The decision to undergo IVF and PGD can be overwhelming, and the process itself can be emotionally taxing. Couples may experience anxiety related to the outcomes of the genetic tests and the implications of their choices. Healthcare providers must offer comprehensive counseling and support to help couples navigate these challenges, ensuring that they feel informed and empowered throughout the process.Additionally, the financial aspect of preimplantation genetic testing cannot be overlooked. IVF and PGD can be costly procedures, and not all insurance plans cover these expenses. This financial burden can limit access to these advanced reproductive technologies for some couples, raising concerns about equity in healthcare. Policymakers and healthcare providers must work together to find solutions that make preimplantation genetic diagnosis more accessible to all individuals, regardless of their financial situation.In conclusion, preimplantation genetic diagnosis represents a remarkable advancement in reproductive technology, offering hope to many couples struggling with infertility and genetic disorders. While there are numerous benefits associated with this technology, it is crucial to address the ethical, emotional, and financial challenges that accompany it. As society continues to evolve alongside technological advancements, open dialogue and thoughtful consideration will be key to ensuring that preimplantation technologies are used responsibly and equitably.

近年来，生殖技术的进步为面临不孕不育的夫妻开辟了新的途径。在这一领域最重要的发展之一是胚胎植入前基因诊断（PGD）过程，它允许在胚胎植入子宫之前对其进行筛查。这个过程不仅提高了成功怀孕的机会，还最大限度地减少了后代遗传疾病的风险。理解胚胎植入前技术的含义和益处对于考虑将其作为选择的夫妻至关重要。这一过程始于体外受精（IVF），在此过程中，从卵巢中取出卵子，并在实验室环境中与精子结合。受精后，胚胎被培养几天。在此期间，医生可以对胚胎进行胚胎植入前基因检测，以识别任何基因异常。这种检测对有遗传疾病史或特定遗传病携带者的夫妻尤其有利。通过选择健康的胚胎，夫妻可以显著降低将遗传疾病传递给孩子的可能性。此外，胚胎植入前的过程还允许根据多种因素选择胚胎，包括性别和基因健康。这一生殖技术的方面引发了伦理问题，特别是关于“设计婴儿”的潜在可能性。虽然许多人支持使用胚胎植入前技术来防止严重的遗传疾病，但也有人对选择如外貌或智力等特征的影响表示担忧。社会必须就这些技术的伦理界限展开讨论，以确保负责任地使用。另一个重要考虑因素是胚胎植入前基因诊断对夫妻的情感和心理影响。接受IVF和PGD的决定可能让人不知所措，而整个过程本身可能会对情感造成压力。夫妻可能会对基因检测结果及其选择的影响感到焦虑。医疗提供者必须提供全面的咨询和支持，帮助夫妻应对这些挑战，确保他们在整个过程中感到知情和有能力。此外，胚胎植入前基因检测的财务方面也不可忽视。IVF和PGD可能是昂贵的程序，并且并非所有保险计划都覆盖这些费用。这一经济负担可能限制一些夫妻获得这些先进生殖技术的机会，引发对医疗公平性的担忧。政策制定者和医疗提供者必须共同努力，寻找解决方案，使胚胎植入前基因诊断对所有人都更可及，无论其经济状况如何。总之，胚胎植入前基因诊断代表了生殖技术的显著进步，为许多面临不孕不育和遗传疾病的夫妻带来了希望。尽管与这项技术相关的好处众多，但解决伴随而来的伦理、情感和财务挑战至关重要。随着社会继续与技术进步共同发展，开放的对话和深思熟虑的考虑将是确保胚胎植入前技术得到负责任和公平使用的关键。