lacteals

简明释义

英[ˈlæk.ti.əlz]美[ˈlæk.ti.əlz]

n. [解剖]乳糜管（lacteal 的复数）

英英释义

单词用法

同义词

反义词

例句

1.Biopsy of the small intestine shows dilation of the lacteals of the villi and distension of the lymphatic vessels.

小肠活检可见小肠绒毛糜乳的扩张和淋巴管扩张。

2.The lacteals of villi are part of the lymphatic system.

绒毛的乳糜管是淋巴系统的一部分。

3.Biopsy of the small intestine shows dilation of the lacteals of the villi and distension of the lymphatic vessels.

小肠活检可见小肠绒毛糜乳的扩张和淋巴管扩张。

4.In cases of malabsorption, the lacteals'>乳糜管可能会受到影响，从而导致营养缺乏。

5.When you consume dairy products, the nutrients are eventually transported to the bloodstream via the lacteals'>乳糜管运输到血液中。

6.The absorption of fats in the small intestine occurs through the lacteals, which are specialized lymphatic vessels.

小肠中脂肪的吸收通过乳糜管进行，这些是专门的淋巴管。

7.Research has shown that lacteals play a crucial role in lipid absorption.

研究表明，乳糜管在脂质吸收中起着至关重要的作用。

8.The lacteals are located in the villi of the intestinal lining.

乳糜管位于肠道内壁的绒毛中。

作文

The human body is a complex system made up of various organs and structures that work together to maintain health and facilitate vital functions. Among these structures are the lacteals, which play a crucial role in the digestive system. The term lacteals refers to the lymphatic vessels located in the small intestine that are responsible for the absorption of fats and fat-soluble vitamins from the food we consume. Understanding the function of lacteals can provide insights into how our bodies process nutrients and maintain overall health.When we eat, our body breaks down food into smaller components through the digestive process. Fats, which are one of the essential macronutrients, are emulsified by bile salts in the small intestine. Once they are broken down into fatty acids and glycerol, they are absorbed through the intestinal walls. This is where the lacteals come into play. Unlike other nutrients that enter the bloodstream directly, fats are absorbed by the lacteals and transported as chyle, a milky fluid rich in lipids.The significance of lacteals extends beyond just fat absorption. They also serve as a pathway for the immune system. Since the small intestine is a primary site for nutrient absorption, it is also a potential entry point for pathogens. The lacteals help to filter out harmful substances, allowing the body to defend itself against infections. By transporting immune cells and antibodies, lacteals contribute to the body's ability to respond to threats and maintain homeostasis.Research has shown that dysfunction of the lacteals can lead to various health issues, including malabsorption syndromes and obesity. For instance, if the lacteals are blocked or damaged, the body may struggle to absorb fats properly, leading to deficiencies in essential fatty acids and fat-soluble vitamins like A, D, E, and K. This can result in a range of health problems, from weakened immune function to impaired vision and bone health.Moreover, the role of lacteals in fat transport has implications for weight management. Excessive fat absorption can contribute to obesity, while insufficient fat absorption can lead to unintended weight loss. Therefore, understanding how lacteals function can be beneficial for developing dietary strategies aimed at maintaining a healthy weight and preventing related diseases.In conclusion, the lacteals are an essential component of our digestive and immune systems. By facilitating the absorption of fats and playing a role in immune defense, they help ensure that our bodies receive the nutrients they need to function optimally. Greater awareness of the importance of lacteals can lead to better dietary choices and health outcomes. As we continue to learn more about the intricacies of the human body, the study of structures like the lacteals will undoubtedly enhance our understanding of health and nutrition.

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，以维持健康并促进重要功能。在这些结构中，有一种被称为乳糜管的结构，它在消化系统中发挥着至关重要的作用。术语乳糜管指的是位于小肠中的淋巴管，负责吸收我们所消费食物中的脂肪和脂溶性维生素。理解乳糜管的功能可以提供关于我们身体如何处理营养和维持整体健康的见解。当我们进食时，身体通过消化过程将食物分解成更小的成分。脂肪是三大营养素之一，必须被消化。脂肪在小肠中被胆盐乳化。一旦被分解为脂肪酸和甘油，它们就会通过肠壁被吸收。这时，乳糜管就发挥了作用。与其他营养素直接进入血液不同，脂肪是通过乳糜管被吸收并作为乳糜液运输，这是一种富含脂质的乳白色液体。乳糜管的重要性不仅仅限于脂肪的吸收。它们还作为免疫系统的通道。由于小肠是营养吸收的主要场所，因此也是病原体潜在的入侵点。乳糜管帮助过滤有害物质，使身体能够抵御感染。通过运输免疫细胞和抗体，乳糜管有助于身体对威胁作出反应并维持内环境的稳定。研究表明，乳糜管的功能障碍可能导致各种健康问题，包括吸收不良综合症和肥胖。例如，如果乳糜管被阻塞或损坏，身体可能会难以正确吸收脂肪，从而导致必需脂肪酸和脂溶性维生素的缺乏。这可能导致一系列健康问题，从免疫功能减弱到视力和骨骼健康受损。此外，乳糜管在脂肪运输中的作用对体重管理也有影响。过量的脂肪吸收可能导致肥胖，而脂肪吸收不足则可能导致意外的体重下降。因此，了解乳糜管的功能对于制定旨在维持健康体重和预防相关疾病的饮食策略是有益的。总之，乳糜管是我们消化和免疫系统的重要组成部分。通过促进脂肪的吸收并在免疫防御中发挥作用，它们帮助确保我们的身体获得正常运作所需的营养。对乳糜管重要性的更大认识可以导致更好的饮食选择和健康结果。随着我们继续学习更多关于人体复杂性的知识，像乳糜管这样的结构的研究无疑会增强我们对健康和营养的理解。