glands

简明释义

英[ɡlændz]美[ɡlændz]

n. 腺体（gland 的复数）；气封

英英释义

单词用法

同义词

反义词

例句

1.All these techniques conserve moisture from the lacrymal glands.

所有这些技术都能保存泪腺的水分。

2.Some children become irritable, get a skin rash or swollen glands.

某些孩子变为应激性、皮肤疹或腺体肿胀。

3.The main symptoms of mumps are swollen and painful glands in the neck.

腮腺炎的主要症状是在颈部脸颊腮腺肿胀和疼痛。

4.The culprits in all this are the parathyroid glands.

这一切的罪魁祸首就是甲状旁腺。

5.Her glands were swollen and painful.

她的腺体肿胀且疼痛。

6.Second, our lips don't have the same glands and pigments as ordinary skin.

第二，嘴唇不像其他肌肤有腺体和色素。

7.Infections can cause inflammation of the lymph glands.

感染可能导致淋巴腺体发炎。

8.Sweat glands play a crucial role in regulating body temperature.

汗腺体在调节体温方面起着至关重要的作用。

9.Salivary glands help in the digestion of food by producing saliva.

唾液腺体通过产生唾液帮助消化食物。

10.The thyroid glands are responsible for regulating metabolism.

甲状腺腺体负责调节新陈代谢。

11.The human body has several types of glands that produce hormones.

人体有几种类型的腺体，它们产生激素。

作文

The human body is a complex and intricate system, made up of various organs and structures that work together to maintain health and homeostasis. One important aspect of this system is the presence of various types of glands, which play a crucial role in the regulation of bodily functions. Glands are specialized organs that produce and secrete substances such as hormones, enzymes, and other fluids necessary for the body’s operations. Understanding the function of glands can provide insight into how our bodies maintain balance and respond to different stimuli.There are two main types of glands in the human body: endocrine and exocrine glands. Endocrine glands release their secretions directly into the bloodstream, allowing hormones to be distributed throughout the body to target various organs and tissues. For example, the thyroid gland produces hormones that regulate metabolism, growth, and development. On the other hand, exocrine glands secrete their products through ducts to specific locations. Salivary glands, for instance, release saliva into the mouth to aid in digestion.The role of glands extends beyond mere secretion; they are also involved in communication within the body. Hormones released by endocrine glands act as messengers that convey information about the body's needs. For instance, when blood sugar levels rise, the pancreas releases insulin, a hormone that helps cells absorb glucose and lower blood sugar levels. This feedback mechanism illustrates how glands help maintain homeostasis—a state of balance that is vital for health.Moreover, glands can be affected by various factors, including stress, diet, and environmental influences. For example, chronic stress can lead to overactivity of the adrenal glands, resulting in an excess of cortisol, a hormone associated with stress responses. This can have detrimental effects on health, contributing to issues such as anxiety, weight gain, and weakened immune function. Therefore, understanding how to support healthy glands is essential for overall well-being.In addition to their biological functions, glands can also be a source of medical concern. Disorders related to glands can lead to significant health issues. For instance, hyperthyroidism occurs when the thyroid gland produces too much hormone, leading to symptoms such as weight loss, increased heart rate, and nervousness. Conversely, hypothyroidism is characterized by insufficient hormone production, resulting in fatigue, weight gain, and depression. These conditions highlight the importance of maintaining healthy glands and seeking medical advice when abnormalities arise.In conclusion, glands are vital components of the human body that contribute to various physiological processes. Their roles in hormone production, secretion, and communication are fundamental to maintaining health and balance. By understanding the significance of glands, we can better appreciate the complexity of our bodies and the importance of taking care of our health. Regular check-ups, a balanced diet, and stress management practices can all support the proper functioning of these essential organs. As we continue to learn more about the intricacies of the human body, the role of glands remains a fascinating area of study that underscores the interconnectedness of our bodily systems.

人体是一个复杂而精密的系统，由各种器官和结构组成，这些器官和结构共同工作以维持健康和内环境稳定。这个系统的一个重要方面是存在各种类型的腺体，它们在调节身体功能中发挥着至关重要的作用。腺体是产生和分泌激素、酶和其他液体等物质的专门器官，这些物质对身体的运作是必需的。理解腺体的功能可以提供关于我们身体如何维持平衡和响应不同刺激的见解。人体内主要有两种类型的腺体：内分泌腺体和外分泌腺体。内分泌腺体将其分泌物直接释放到血液中，使激素能够分布到全身，作用于各种器官和组织。例如，甲状腺腺体产生调节新陈代谢、成长和发育的激素。另一方面，外分泌腺体通过导管将其产品分泌到特定位置。例如，唾液腺体向口腔释放唾液，以帮助消化。腺体的作用不仅限于分泌；它们还参与身体内部的通信。内分泌腺体释放的激素作为信使，传达身体的需求信息。例如，当血糖水平上升时，胰腺会释放胰岛素，这是一种帮助细胞吸收葡萄糖并降低血糖水平的激素。这种反馈机制说明了腺体如何帮助维持内环境稳定——这种平衡状态对健康至关重要。此外，腺体可能受到多种因素的影响，包括压力、饮食和环境因素。例如，慢性压力可能导致肾上腺腺体的过度活跃，导致皮质醇（一种与压力反应相关的激素）的过量分泌。这可能对健康产生不利影响，导致焦虑、体重增加和免疫功能减弱等问题。因此，了解如何支持健康的腺体对整体健康至关重要。除了生物功能外，腺体也可能成为医学关注的焦点。与腺体相关的疾病可能导致显著的健康问题。例如，甲亢是指甲状腺腺体产生过多激素，导致体重下降、心率加快和紧张等症状。相反，甲状腺功能减退则表现为激素产生不足，导致疲劳、体重增加和抑郁。这些情况突显了维持健康腺体的重要性，以及在出现异常时寻求医疗建议的必要性。总之，腺体是人体的重要组成部分，对各种生理过程起着关键作用。它们在激素生产、分泌和通信中的角色是维持健康和平衡的基础。通过理解腺体的重要性，我们可以更好地欣赏我们身体的复杂性以及照顾自己健康的重要性。定期体检、均衡饮食和压力管理实践都可以支持这些基本器官的正常功能。随着我们继续学习更多关于人体复杂性的知识，腺体的角色仍然是一个迷人的研究领域，突显了我们身体系统之间的相互联系。