nidation

简明释义

英[naɪˈdeɪʃ(ə)n]美[naɪˈdeɪʃn]

n. [生理] 营巢；着床（指受精卵植入子宫内膜）

英英释义

单词用法

同义词

反义词

例句

1.Purposes: (1) Research on the impact of MXC toxicosis to mice embryo nidation.

目的：(1)研究MXC染毒对小鼠胚胎着床的影响。

2.To observe the effect of Bushen Huoxue prescription on blastocyst nidation in pregnancy mice.

观察中药补肾活血方对妊娠大鼠胚泡着床率的影响。

3.To observe the effect of Bushen Huoxue prescription on blastocyst nidation in pregnancy mice.

观察中药补肾活血方对妊娠大鼠胚泡着床率的影响。

4.After fertilization, the embryo undergoes nidation to attach itself to the uterine wall.

在受精后，胚胎经历了nidation（着床），以附着在子宫壁上。

5.Research shows that factors affecting nidation can influence pregnancy outcomes.

研究表明，影响nidation（着床）的因素可以影响妊娠结果。

6.In vitro fertilization techniques often focus on improving nidation rates.

体外受精技术通常侧重于提高nidation（着床）率。

7.The timing of nidation is critical for hormone production in early pregnancy.

在早期妊娠中，nidation（着床）的时机对激素产生至关重要。

8.The process of nidation is crucial for the successful implantation of the embryo.

对于胚胎成功植入来说，nidation（着床）过程至关重要。

作文

Nidation is a crucial biological process that plays a significant role in the reproductive cycle of many organisms, including humans. It refers to the implantation of a fertilized egg into the uterine lining, where it can develop into a fetus. This complex process is not only essential for successful pregnancy but also highlights the intricate relationship between various physiological systems in the body.The journey of nidation begins after fertilization occurs in the fallopian tubes. Once the sperm successfully penetrates the egg, the fertilized egg, now called a zygote, begins to divide and grow as it travels down the fallopian tube towards the uterus. This journey takes about five to six days, during which the zygote transforms into a blastocyst, a hollow ball of cells that will eventually implant itself into the uterine wall.When the blastocyst reaches the uterus, it must find a suitable spot to implant itself. The uterine lining, or endometrium, undergoes several changes in preparation for this event. Hormones such as estrogen and progesterone play a vital role in thickening the endometrium, making it more receptive to the incoming blastocyst. This phase of the menstrual cycle is known as the secretory phase, and it is characterized by increased blood flow and nutrient-rich secretions in the uterus.Once the blastocyst arrives, it attaches itself to the endometrial lining in a process known as nidation (着床). This attachment is facilitated by the secretion of enzymes that allow the blastocyst to burrow into the uterine wall, establishing a connection with the mother’s blood supply. This connection is crucial, as it enables the developing embryo to receive essential nutrients and oxygen necessary for growth and development.The success of nidation (着床) depends on various factors, including the health of both the embryo and the uterine lining. If the environment is not conducive for implantation, the embryo may fail to attach, leading to what is known as an early miscarriage or biochemical pregnancy. On the other hand, when nidation (着床) occurs successfully, the embryo begins to produce hormones that signal the body to maintain the pregnancy, preventing menstruation and allowing further development.Understanding nidation (着床) is vital for reproductive health. Many fertility issues can arise from problems with implantation, and advancements in medical science have led to improved methods for diagnosing and treating these conditions. For instance, assisted reproductive technologies, such as in vitro fertilization (IVF), often focus on enhancing the chances of successful nidation (着床) by selecting the healthiest embryos and optimizing the uterine environment.In conclusion, nidation (着床) is a fundamental process in human reproduction that marks the beginning of pregnancy. It involves the complex interplay of hormones, cellular changes, and physiological adaptations that facilitate the successful implantation of an embryo in the uterine lining. As we continue to explore the intricacies of reproductive biology, a deeper understanding of nidation (着床) will undoubtedly lead to better outcomes for those seeking to conceive and maintain a healthy pregnancy.

着床是一个至关重要的生物过程，在许多生物体的生殖周期中扮演着重要角色，包括人类。它指的是受精卵植入子宫内膜的过程，在那里它可以发育成胎儿。这个复杂的过程不仅对成功怀孕至关重要，还突显了身体各种生理系统之间的复杂关系。着床的旅程始于受精发生在输卵管中。一旦精子成功穿透卵子，受精卵现在被称为合子，开始分裂和生长，同时向下输卵管移动，朝着子宫前进。这段旅程大约需要五到六天，在此期间，合子转变为胚泡，一个空心的细胞球，最终将植入子宫壁。当胚泡到达子宫时，它必须找到一个合适的位置进行植入。子宫内膜在为这一事件做准备时经历了几次变化。激素如雌激素和孕激素在增厚内膜方面发挥着重要作用，使其更易接受即将到来的胚泡。这个月经周期的阶段被称为分泌期，其特征是子宫内血流增加和富含营养的分泌物。一旦胚泡到达，它会以称为nidation（着床）的过程附着在内膜上。这种附着通过分泌酶来促进，使胚泡能够埋入子宫壁，与母体的血液供应建立联系。这种连接至关重要，因为它使发育中的胚胎能够获得生长和发育所需的基本营养和氧气。nidation（着床）的成功依赖于多种因素，包括胚胎和子宫内膜的健康。如果环境不利于植入，胚胎可能无法附着，导致早期流产或生化妊娠。另一方面，当nidation（着床）成功发生时，胚胎开始产生激素，向身体发出信号以维持妊娠，防止月经，并允许进一步发展。理解nidation（着床）对生殖健康至关重要。许多生育问题可能源自植入问题，医学科学的进步导致了对这些疾病的诊断和治疗方法的改进。例如，辅助生殖技术，如体外受精（IVF），通常侧重于通过选择最健康的胚胎和优化子宫环境来提高成功nidation（着床）的机会。总之，nidation（着床）是人类生殖中的一个基本过程，标志着妊娠的开始。它涉及激素、细胞变化和生理适应之间的复杂相互作用，促进胚胎在子宫内膜中的成功植入。随着我们继续探索生殖生物学的复杂性，对nidation（着床）的更深入理解无疑将为那些寻求怀孕并维持健康妊娠的人带来更好的结果。