merocrine

简明释义

英[ˈmerəkraɪn]美[ˈmeroʊkrɪn]

adj. [生理] 部分分泌的；[生理] 局泌的

n. [生理] 局质分泌

英英释义

单词用法

同义词

反义词

例句

1.The cultured cells show merocrine and apocrine secretion.

培养细胞有局部分泌和顶浆分泌。

2.The cultured cells show merocrine and apocrine secretion.

培养细胞有局部分泌和顶浆分泌。

3.The merocrine mode of secretion allows for continuous production of substances like hormones and enzymes.

外分泌分泌方式允许像激素和酶这样的物质持续生成。

4.The sweat glands in our skin are classified as merocrine glands, which means they secrete their products without losing cellular material.

我们皮肤中的汗腺被分类为外分泌腺，这意味着它们在分泌产品时不会失去细胞物质。

5.Unlike apocrine glands, merocrine glands release their secretions directly through exocytosis.

与顶泌腺不同，外分泌腺通过胞吐直接释放其分泌物。

6.In the human body, the pancreas functions as a merocrine gland by releasing digestive enzymes into the small intestine.

在人类身体中，胰腺作为外分泌腺，通过将消化酶释放到小肠中发挥作用。

7.Salivary glands are an example of merocrine secretion, where saliva is produced without any loss of glandular cells.

唾液腺是外分泌分泌的一个例子，唾液的产生不会导致腺体细胞的损失。

作文

The human body is a complex system composed of various types of cells and tissues, each performing distinct functions essential for maintaining homeostasis. One fascinating aspect of this complexity is the way in which different glands secrete substances necessary for bodily functions. Among these secretion mechanisms, the term merocrine refers to a specific type of glandular secretion characterized by the exocytosis of secretory products without the loss of cellular material. This process is vital for many physiological functions and is observed in several glands throughout the body.To understand the significance of merocrine secretion, it is essential to compare it with other types of secretion mechanisms, such as apocrine and holocrine. In apocrine secretion, a portion of the cell's cytoplasm is pinched off along with the secretory product, leading to some loss of cellular material. On the other hand, holocrine secretion involves the entire cell disintegrating to release its contents. In contrast, merocrine glands maintain their integrity, allowing them to continue producing and secreting substances efficiently.One of the most well-known examples of merocrine glands is the salivary glands, which produce saliva through this secretion method. Saliva plays a crucial role in digestion, oral hygiene, and facilitating taste. The salivary glands release enzymes and other substances via merocrine secretion, ensuring that these essential components are delivered to the oral cavity without compromising the gland's structure or function.Another example can be found in the sweat glands, specifically the eccrine sweat glands, which also employ merocrine secretion. These glands are responsible for regulating body temperature through the production of sweat. As the body heats up, the eccrine glands secrete sweat onto the skin's surface. The evaporation of this sweat helps cool the body down, demonstrating how merocrine secretion is not only important for waste removal but also for thermoregulation.In addition to these examples, merocrine secretion is also present in pancreatic acinar cells, which produce digestive enzymes. These enzymes are secreted into the small intestine, where they aid in the breakdown of food particles. The efficiency of merocrine glands in delivering these enzymes is crucial for proper digestion and nutrient absorption.The study of merocrine glands and their secretion mechanisms has significant implications in the field of medicine. Understanding how these glands function can help researchers develop treatments for various conditions related to glandular dysfunction. For instance, in cases where saliva production is impaired, therapies aimed at stimulating merocrine secretion could improve the quality of life for affected individuals.In conclusion, the concept of merocrine secretion plays a vital role in our understanding of glandular function within the human body. By examining how these glands operate and the importance of their secretions, we gain insight into the intricate processes that sustain life. The ability of merocrine glands to secrete substances without losing cellular material allows for continuous and efficient functioning, highlighting the elegance of biological systems. Further research into merocrine secretion may unlock new avenues for medical advancements and enhance our overall understanding of human physiology.

人类身体是一个复杂的系统，由各种类型的细胞和组织组成，每种细胞和组织都执行着维持体内平衡所必需的不同功能。在这种复杂性中，一个引人入胜的方面是不同腺体分泌身体功能所需物质的方式。在这些分泌机制中，术语merocrine指的是一种特定类型的腺体分泌，特征是通过胞吐作用分泌分泌产物而不损失细胞材料。这一过程对许多生理功能至关重要，并在全身的多个腺体中观察到。要理解merocrine分泌的重要性，有必要将其与其他类型的分泌机制进行比较，例如顶泌和全泌。在顶泌分泌中，细胞的一部分细胞质与分泌产品一起被挤出，从而导致一些细胞材料的损失。另一方面，全泌分泌涉及整个细胞解体以释放其内容物。相比之下，merocrine腺体保持其完整性，使它们能够高效地继续生产和分泌物质。最著名的merocrine腺体之一是唾液腺，它通过这种分泌方式产生唾液。唾液在消化、口腔卫生和促进味觉方面起着至关重要的作用。唾液腺通过merocrine分泌释放酶和其他物质，确保这些重要成分在不妨碍腺体结构或功能的情况下输送到口腔。另一个例子可以在汗腺中找到，特别是小汗腺，它们也采用merocrine分泌。这些腺体负责通过产生汗水来调节体温。当身体升温时，小汗腺会将汗水分泌到皮肤表面。汗水的蒸发有助于降低体温，表明merocrine分泌不仅对废物排除重要，而且对热调节也至关重要。除了这些例子，merocrine分泌还存在于胰腺腺泡细胞中，这些细胞产生消化酶。这些酶被分泌到小肠中，在食物颗粒的分解中发挥作用。merocrine腺体在输送这些酶方面的高效性对正常消化和营养吸收至关重要。对merocrine腺体及其分泌机制的研究在医学领域具有重要意义。了解这些腺体的功能可以帮助研究人员开发针对各种腺体功能障碍相关疾病的治疗方法。例如，在唾液产生受损的情况下，旨在刺激merocrine分泌的疗法可以改善受影响个体的生活质量。总之，merocrine分泌的概念在我们理解人体内腺体功能方面发挥着至关重要的作用。通过研究这些腺体如何运作及其分泌的重要性，我们获得了对维持生命的复杂过程的深入了解。merocrine腺体在不损失细胞材料的情况下分泌物质的能力使其能够持续高效地运作，突显了生物系统的优雅。对merocrine分泌的进一步研究可能会开辟医疗进步的新途径，并增强我们对人体生理学的整体理解。