secretion

简明释义

英[sɪˈkriːʃn]美[sɪˈkriːʃn]

n. 分泌；分泌物；藏匿；隐藏

复 数 s e c r e t i o n s

英英释义

单词用法

同义词

反义词

例句

1.The virus also increases lipid sensitivity and decreases leptin secretion of the new fat cells.

该病毒还会增加新脂肪细胞的脂肪灵敏度，并降低其瘦素分泌。

2.The sweet secretion is known as honeydew .

甜甜的分泌物就是我们所说的“蜜汁”。

3.They found four new areas that appear involved in insulin secretion and pancreatic development.

他们发现了四个新的与胰岛素分泌和胰腺发育有关的新的基因区域。

4.We gave the rats a carbohydrate-containing meal that we knew would elicit insulin secretion.

于是，我们给大鼠喂含糖的食物，知道这会引起胰岛素分泌。

5.Dr Venter, however, has succeeded in engineering a secretion pathway from another organism into experimental algae.

然而，文特尔博士则已成功设计出从另一种生物体通往实验藻类内部的分泌途径。

6.At any level of insulin sensitivity, higher consumption of alcohol was associated with lower insulin secretion.

而无论胰岛素敏感程度如何，较高的饮酒量都与较低水平的胰岛素分泌有相关。

7.Therefore, when you intake too much salt in the diet, it will stimulate gastric acid secretion.

因此，当饮食中摄入的食盐过多，就会刺激胃酸大量分泌。

8.The pancreas produces insulin as a vital secretion.

胰腺产生胰岛素作为一种重要的分泌物。

9.Saliva is a natural secretion that helps with digestion.

唾液是一种自然的分泌物，有助于消化。

10.The secretion of hormones regulates many bodily functions.

激素的分泌调节许多身体功能。

11.Tears are a secretion produced by the lacrimal glands.

泪水是由泪腺产生的分泌物。

12.Mucus is an important secretion that protects the respiratory tract.

粘液是一种重要的分泌物，保护呼吸道。

作文

The human body is a complex system that relies on various processes to maintain homeostasis and overall health. One of the critical processes involved in this regulation is secretion, which refers to the process by which substances are produced and released from cells or glands into the bloodstream or onto surfaces within the body. This phenomenon plays a vital role in numerous bodily functions, including digestion, metabolism, and the immune response. In the digestive system, for instance, secretion is essential for breaking down food. The salivary glands secrete saliva, which contains enzymes that initiate the digestion of carbohydrates as soon as food enters the mouth. As the food travels down the esophagus and into the stomach, gastric glands secrete gastric juices, including hydrochloric acid and pepsin, which further aid in the breakdown of food particles. Without these secretions, our bodies would struggle to extract the necessary nutrients from the food we consume. Moreover, secretion is not limited to digestive enzymes. Hormones are another crucial type of substance that the body secretes. Hormones are chemical messengers that travel through the bloodstream to target organs, regulating various physiological processes. For example, the pancreas secretes insulin, a hormone that helps control blood sugar levels. An imbalance in hormone secretion can lead to serious health issues, such as diabetes or thyroid disorders. The immune system also heavily relies on secretion. When the body detects a pathogen, immune cells respond by secreting signaling molecules called cytokines. These cytokines help coordinate the body's defense against infections by attracting more immune cells to the site of infection and promoting inflammation. This process is vital for effectively combating pathogens, but excessive or inappropriate secretion of cytokines can lead to inflammatory diseases and other health complications. In addition to these examples, secretion also occurs in other systems of the body. For instance, the skin secretes oils and sweat, which help regulate temperature and protect against pathogens. Similarly, the respiratory system secretes mucus, which traps dust and microorganisms, preventing them from entering the lungs. Understanding the mechanisms behind secretion can provide valuable insights into various medical conditions. For example, researchers study how certain drugs can influence the secretion of hormones or enzymes to develop treatments for diseases. Additionally, understanding the role of secretion in the immune response can lead to better vaccines and therapies for infectious diseases. In conclusion, secretion is a fundamental biological process that affects many aspects of our health and well-being. From aiding digestion to regulating hormones and supporting the immune system, the various types of secretion play an indispensable role in maintaining the body's equilibrium. By studying these processes, we can enhance our understanding of health and disease, ultimately improving medical outcomes and quality of life for individuals around the world.

人体是一个复杂的系统，依赖于各种过程来维持体内平衡和整体健康。其中一个关键过程就是分泌，指的是细胞或腺体产生并释放物质到血液或体内表面的过程。这一现象在消化、代谢和免疫反应等众多生理功能中发挥着重要作用。 例如，在消化系统中，分泌对食物的分解至关重要。唾液腺分泌唾液，其中含有的酶在食物进入口腔时就开始分解碳水化合物。当食物通过食道进入胃部时，胃腺分泌胃液，包括盐酸和胃蛋白酶，进一步帮助分解食物颗粒。如果没有这些分泌物，我们的身体将难以从所摄取的食物中提取必要的营养。 此外，分泌不仅限于消化酶。激素是另一种关键的物质，身体会分泌激素。激素是通过血液循环到达目标器官的化学信使，调节各种生理过程。例如，胰腺分泌胰岛素，这是一种帮助控制血糖水平的激素。激素的分泌失衡可能导致严重的健康问题，如糖尿病或甲状腺疾病。 免疫系统也在很大程度上依赖于分泌。当身体检测到病原体时，免疫细胞通过分泌称为细胞因子的信号分子作出反应。这些细胞因子帮助协调身体对感染的防御，通过吸引更多免疫细胞到感染部位并促进炎症反应。这一过程对于有效抵抗病原体至关重要，但细胞因子的过度或不适当分泌可能导致炎症性疾病和其他健康并发症。 除了这些例子，分泌还发生在身体的其他系统中。例如，皮肤分泌油脂和汗液，帮助调节体温并保护身体免受病原体侵害。同样，呼吸系统分泌粘液，捕捉灰尘和微生物，防止它们进入肺部。 理解分泌背后的机制可以为各种医学条件提供有价值的见解。例如，研究人员研究某些药物如何影响激素或酶的分泌，以开发治疗疾病的方法。此外，了解分泌在免疫反应中的作用可以促成更好的疫苗和感染性疾病的治疗方法。 总之，分泌是一个基本的生物过程，影响我们健康和幸福的许多方面。从帮助消化到调节激素和支持免疫系统，各种类型的分泌在维持身体平衡中发挥着不可或缺的作用。通过研究这些过程，我们可以增强对健康和疾病的理解，最终改善医疗结果，提高全球人们的生活质量。