secretions

简明释义

英[sɪˈkriːʃənz]美[sɪˈkriʃənz]

n. 分泌物（secretion 的复数）

英英释义

单词用法

同义词

反义词

例句

1.Malta fever, or brucellosis, strikes people who come into contact with infected animals or their secretions, such as milk.

马耳他热又叫布鲁氏菌病，是通过与动物或动物的分泌物的接触传播给人的，像牛奶。 “这人也许是做奶酪的，”查理尔说。

2.Laboratory tests show that secretions from the bodies of these millipedes are rich in two chemicals that are potent mosquito repellents, and mosquitoes carry parasites that debilitate capuchins.

实验室测试表明，这些千足虫体内的分泌物富含两种化学物质，这两种物质是有效的驱蚊剂，而蚊子携带的寄生虫会削弱卷尾猴的能力。

3.Infected poultry excrete virus in their secretions and faeces.

受感染家禽将病毒分泌或排泄到它们的唾液或粪便中。

4.RANIT MISHORI: "Dairy products do not cause increased secretions, but they can thicken the secretions."

RANITMISHORI：“乳制品不会导致分泌物增加，但会导致分泌物变厚。”

5.So these basic secretions don't overflow like the tears associated with emotional crying.

因此那些基础分泌物不会像情绪性哭泣的泪水那样溢出。

6.Newborns do not have normal tear secretions to protect their eyes from irritants.

新生儿没有正常的泪液分泌以保护他们的眼睛刺激。

7.Thee skin of the mink frog, likewise, contains secretions that show promise for fighting "Iraqibacter".

同样，貂皮蛙的皮肤分泌物则有望对抗抗“伊拉克细菌”。

8.The body produces various types of secretions to aid digestion.

身体产生各种类型的分泌物来帮助消化。

9.Hormonal secretions play a crucial role in regulating metabolism.

激素的分泌物在调节新陈代谢中起着至关重要的作用。

10.The doctor explained that mucus secretions help protect the respiratory system.

医生解释说，粘液的分泌物有助于保护呼吸系统。

11.Excessive oil secretions can lead to acne breakouts.

过多的油脂分泌物可能导致痤疮爆发。

12.Saliva is one of the most important secretions in the mouth.

唾液是口腔中最重要的分泌物之一。

作文

In the intricate world of biology, the term secretions refers to the substances produced and released by cells or glands within an organism. These secretions play crucial roles in various physiological processes, ranging from digestion to hormonal regulation. Understanding the nature and function of secretions is essential for grasping how living organisms maintain homeostasis and respond to their environment.For instance, in the human body, saliva is one of the most well-known secretions. Produced by salivary glands, saliva aids in the digestion of food, making it easier to swallow and break down nutrients. The enzymes present in saliva, such as amylase, begin the process of starch digestion even before the food reaches the stomach. This example illustrates how secretions can initiate complex biochemical processes that are vital for survival.Another significant type of secretions is hormones, which are chemical messengers released by endocrine glands into the bloodstream. Hormones regulate numerous bodily functions, including metabolism, growth, and mood. For instance, insulin is a hormone that helps control blood sugar levels. When the body detects high glucose levels, the pancreas secretes insulin, prompting cells to absorb glucose and use it for energy. This regulatory mechanism shows how secretions are not only vital for immediate responses but also for long-term health and stability.In addition to these examples, secretions are also found in plants. For example, many plants produce resin as a form of defense against herbivores and pathogens. This sticky substance can trap insects and prevent them from damaging the plant. Moreover, some plants secrete nectar, which attracts pollinators such as bees and butterflies, facilitating reproduction. Thus, secretions in plants serve both protective and reproductive functions, highlighting their diverse roles in the ecosystem.The study of secretions extends beyond basic biology and has significant implications in medicine and biotechnology. For example, understanding how certain secretions function can lead to advancements in drug development. Researchers can create synthetic versions of natural secretions to treat diseases or enhance health. Additionally, analyzing secretions can provide insights into various medical conditions. For instance, examining mucus secretions can help diagnose respiratory diseases, while studying sweat can reveal metabolic disorders.In conclusion, secretions are fundamental components of biological systems, serving essential functions in both animals and plants. They facilitate digestion, regulate bodily functions, protect against threats, and support reproduction. By exploring the complexities of secretions, we gain a deeper appreciation for the intricate processes that sustain life. Understanding these substances not only enhances our knowledge of biology but also paves the way for innovative solutions in health and environmental sustainability.

在生物学的复杂世界中，术语secretions指的是由生物体内的细胞或腺体产生并释放的物质。这些secretions在各种生理过程中发挥着至关重要的作用，从消化到激素调节。理解secretions的性质和功能对于掌握生物体如何维持稳态以及如何响应环境是至关重要的。例如，在人体中，唾液是最为人知的secretions之一。由唾液腺产生，唾液有助于食物的消化，使其更易于吞咽和分解营养。唾液中存在的酶，如淀粉酶，甚至在食物到达胃之前就开始了淀粉的消化过程。这个例子说明了secretions如何启动复杂的生化过程，这对生存至关重要。另一种重要的secretions是激素，它们是由内分泌腺释放到血液中的化学信使。激素调节着许多身体功能，包括新陈代谢、成长和情绪。例如，胰岛素是一种帮助控制血糖水平的激素。当身体检测到高葡萄糖水平时，胰腺会分泌胰岛素，促使细胞吸收葡萄糖并将其用于能量。这种调节机制表明，secretions不仅对即时反应至关重要，也对长期健康和稳定性至关重要。除了这些例子，植物中也发现了secretions。例如，许多植物产生树脂作为对抗草食动物和病原体的一种防御形式。这种粘稠的物质可以捕捉昆虫，防止它们损害植物。此外，一些植物分泌花蜜，以吸引蜜蜂和蝴蝶等授粉者，促进繁殖。因此，植物中的secretions既具有保护功能，也具有繁殖功能，突显了它们在生态系统中多样的角色。对secretions的研究超越了基础生物学，在医学和生物技术中具有重要意义。例如，了解某些secretions的功能可以推动药物开发的进步。研究人员可以创建自然secretions的合成版本，以治疗疾病或增强健康。此外，分析secretions可以提供对各种医疗状况的见解。例如，检查粘液分泌物可以帮助诊断呼吸系统疾病，而研究汗液可以揭示代谢障碍。总之，secretions是生物系统的基本组成部分，在动物和植物中发挥着重要功能。它们促进消化，调节身体功能，保护免受威胁，并支持繁殖。通过探索secretions的复杂性，我们对维持生命的复杂过程有了更深刻的理解。理解这些物质不仅增强了我们对生物学的认识，还为健康和环境可持续性提供了创新解决方案。