gonads

简明释义

英[ˈɡəʊnædz]美[ˈɡoʊnædz]

n. [解剖]生殖腺；内性器（gonad 的复数）

英英释义

单词用法

同义词

反义词

例句

1.The gonads open near the base of the abdomen and the excretory organs are usually Malpighian tubules.

生殖腺开口于近腹部基部，排泄器官通常为马氏管。

2.As the individual sits in meditation, his mind focused on an affirmation (an idea), spiritual energy begins to move upward from the gonads.

当个人坐着冥想时，他的意识集中于一种肯定(一个想法)，精神能量开始从性腺向上移动。

3.The steroid hormone, produced by gonad, regulates the forming and release of GtH through feedback effect during the development and maturation of gonads in fish.

在鱼类性腺发育成熟和排放过程中，性腺产生的性类固醇激素通过反馈作用来协调脑垂体促性腺激素适量的合成与释放。

4.The formation of digit ratios and differentiation of gonads are determined by HOXA and HOXD.

指长比的形成和性腺的分化由HOXA和HOXD两组基因决定。

5.These centers are the gonads, the lyden cells, the adrenals, the thymus, the thyroid, the pineal and the pituitary glands.

这些精神中心是，性腺、太阳淋巴丛、肾上腺、胸腺、甲状腺、松果腺和脑垂体。

6.Nematocyst warts on the small tentacles become stick from conical and the shape of gonads changes triangular pocket-like from grain-like to small vesica.

小触手刺丝囊疣从乳突状变为棒状；生殖腺形状从米粒状变为小囊状、三角囊袋状。

7.In his 2007 E-mail, Dr. Amodio said technologists also failed to shield the gonads, a radiosensitive organ.

在他的2007年的邮件中，Amodio博士说技术员们也没有防护性腺，这是对辐射敏感的器官。

8.The paper reported results on analysis of the components of the Asterias rollestom gonads and on detoxication treatment.

测定了罗氏海星棘皮的组成成分 ，并用脱毒处理后的海星进行了毒理实验 。

9.Aromatase activities in gonads decreased significantly after implantation with aromatase inhibitor, but showed no significant difference between control and AI-implanted group.

此外，埋植AI后性腺芳香化酶活性显著降低，但脑部芳香化酶活性的变化不明显；

10.During puberty, the gonads (性腺) undergo significant changes to support reproductive maturity.

在青春期，性腺经历重大变化以支持生殖成熟。

11.Hormonal imbalances can lead to dysfunction in the gonads (性腺), affecting fertility.

激素失衡可能导致性腺功能障碍，影响生育能力。

12.The doctor explained that the function of the gonads (性腺) is crucial for hormone production.

医生解释说，性腺的功能对激素生产至关重要。

13.In males, the gonads (性腺) are responsible for producing sperm and testosterone.

在男性中，性腺负责产生精子和睾酮。

14.The study focused on how environmental factors can affect the development of gonads (性腺) in amphibians.

这项研究集中在环境因素如何影响两栖动物的性腺发育。

作文

The human body is a complex system composed of various organs and structures that work together to maintain life. Among these, the reproductive system plays a crucial role in ensuring the continuation of species. Central to this system are the gonads, which are the primary reproductive organs responsible for producing gametes and hormones. In males, the gonads are the testes, while in females, they are the ovaries. Understanding the function and significance of the gonads can provide insights into human biology and reproduction.The gonads serve two main functions: the production of sex cells and the secretion of sex hormones. In males, the testes produce sperm, the male gamete, through a process called spermatogenesis. This process occurs in the seminiferous tubules of the testes and involves several stages of cell division and maturation. Alongside sperm production, the testes also secrete testosterone, the primary male sex hormone, which is essential for the development of male secondary sexual characteristics such as facial hair, deep voice, and increased muscle mass.In females, the ovaries are responsible for producing ova, or eggs, through oogenesis. Each month, during the menstrual cycle, a mature egg is released from one of the ovaries in a process known as ovulation. The ovaries also produce estrogen and progesterone, hormones that regulate the menstrual cycle and play vital roles in pregnancy and childbirth. The balance of these hormones is crucial for maintaining reproductive health and overall well-being in women.The gonads are not only important for reproduction but also have significant implications for overall health. Disorders of the gonads can lead to various health issues, including infertility, hormonal imbalances, and even certain cancers. For example, conditions like polycystic ovary syndrome (PCOS) can affect ovarian function, leading to irregular menstrual cycles and difficulty conceiving. Similarly, testicular cancer can impact the production of sperm and testosterone, affecting male fertility and health.Moreover, the gonads are influenced by various factors, including genetics, lifestyle, and environmental exposures. For instance, exposure to endocrine disruptors—chemicals that interfere with hormone systems—can adversely affect the function of the gonads and lead to reproductive health issues. Therefore, understanding how to protect and promote the health of the gonads is essential for both men and women.In conclusion, the gonads are vital organs that play a key role in human reproduction and overall health. They are responsible for producing gametes and hormones that are critical for reproductive processes and secondary sexual characteristics. Recognizing the importance of the gonads and taking steps to maintain their health can contribute to better reproductive outcomes and overall well-being. As research continues to advance, we can gain a deeper understanding of the gonads and their impact on human health, paving the way for improved treatments and interventions for reproductive health issues.

人体是一个复杂的系统，由各种器官和结构组成，这些器官和结构共同工作以维持生命。其中，生殖系统在确保物种延续方面发挥着至关重要的作用。这个系统的核心是性腺，它们是负责产生配子和激素的主要生殖器官。在男性中，性腺是睾丸，而在女性中，它们是卵巢。理解性腺的功能和重要性可以为我们提供对人类生物学和生殖的深入见解。性腺的主要功能有两个：产生性细胞和分泌性激素。在男性中，睾丸通过一种称为精子发生的过程产生精子，即男性配子。这个过程发生在睾丸的曲细精管中，涉及多个细胞分裂和成熟的阶段。除了精子生产外，睾丸还分泌睾酮，这是一种主要的男性性激素，对男性第二性特征的发展至关重要，例如面部毛发、声音低沉和肌肉量增加。在女性中，卵巢负责通过卵子发生产生卵子或卵子。每个月，在月经周期期间，一个成熟的卵子会从一个卵巢释放，这个过程称为排卵。卵巢还会产生雌激素和孕激素，这些激素调节月经周期，并在怀孕和分娩中发挥重要作用。这些激素的平衡对于维持女性的生殖健康和整体健康至关重要。性腺不仅对生殖重要，而且对整体健康也有重要影响。性腺的疾病可能导致各种健康问题，包括不育、激素失衡，甚至某些癌症。例如，多囊卵巢综合症（PCOS）等疾病会影响卵巢功能，导致月经周期不规律和怀孕困难。类似地，睾丸癌可能影响精子和睾酮的产生，从而影响男性的生育能力和健康。此外，性腺受到多种因素的影响，包括遗传、生活方式和环境暴露。例如，接触内分泌干扰物——干扰激素系统的化学物质——可能对性腺的功能产生不利影响，导致生殖健康问题。因此，了解如何保护和促进性腺的健康对于男性和女性都是至关重要的。总之，性腺是重要的器官，在人类生殖和整体健康中发挥关键作用。它们负责产生配子和激素，这对生殖过程和第二性特征至关重要。认识到性腺的重要性并采取措施维护其健康，可以促进更好的生殖结果和整体健康。随着研究的不断进展，我们可以更深入地理解性腺及其对人类健康的影响，为生殖健康问题的改善治疗和干预铺平道路。