villus

简明释义

英[ˈvɪləs]美[ˈvɪləs]

n. [脊椎] 绒毛；长茸毛

复 数 v i l l i

英英释义

单词用法

同义词

反义词

例句

1.To some extent, a given concentration of H2SO4 were active to shed seed villus.

一定浓度的浓h2so4对花卉种子具有脱绒效果。

2.When placental adherence happens, blood circulation of villus in the placenta could be retard, and then the developing of fetus were affected.

当粘连发生，胎盘内血液循环受阻将直接影响胎儿发育。

3.And on the tender leaves is a layer of villus.

嫩叶上刷着一层白色的绒毛。

4.The next step in improving the current test will include analysis of DNA from direct chorionic villus sampling or amniotic fluid to further reduce the TAT.

接下来，进一步减少TAT的改进措施包括从绒毛膜绒毛或羊水直接取样用于DNA分析。

5.Results The height of the jejunal villus was longer in young age group than that of old age group.

电镜结果 显示，低龄组患者空肠上皮细胞微绒毛排列整齐、致密，长短一致；

6.Sometimes it's an earlier test called CVS, or chorionic villus sampling, which collects a bit of tissue from the placenta.

有时候这是一个CVS早期检查或者叫作绒毛活检，从胎盘处获取绒毛组织。

7.To study the cause and precaution of villus cultivating in celiac after laparoscopy of fallopian pregnancy.

目的探讨输卵管妊娠腹腔镜术后绒毛腹腔种植的原因和预防。

8.A chorionic villus is a minute vascular projection on the fetal chorion.

绒膜绒毛是胎儿绒毛膜上的一种微小的血管凸出物。

9.Objective: to compare the relative safety of two methods of chorionic villus sampling.

目的：比较两种术式绒毛取材的相对安全性。

10.In a healthy intestine, the villi 绒毛 are well-formed and numerous.

在健康的肠道中，villi绒毛形成良好且数量众多。

11.Damage to the villi 绒毛 in the intestine can lead to malabsorption syndromes.

肠道中villi绒毛的损伤可能导致吸收不良综合症。

12.Each villus 绒毛 contains blood vessels that transport nutrients to the bloodstream.

每个villus绒毛中都含有血管，将营养物质运输到血液中。

13.The small intestine is lined with tiny projections called villi 绒毛 that increase the surface area for absorption.

小肠的内壁上有称为villi绒毛的小突起，增加了吸收的表面积。

14.The function of the villus 绒毛 is crucial for efficient digestion and nutrient uptake.

对于有效的消化和营养吸收，villus绒毛的功能至关重要。

作文

The human body is a complex and fascinating system, composed of various organs and structures that work together to maintain health and functionality. One of the most remarkable features of the digestive system is the presence of tiny projections known as villus">villi. These microscopic, finger-like structures line the walls of the small intestine and play a crucial role in nutrient absorption. Understanding the function and significance of villus">villi can provide insight into how our bodies process food and absorb essential nutrients.The primary purpose of villus">villi is to increase the surface area of the intestinal lining, allowing for greater absorption of nutrients. Each villus">villus is covered with even smaller hair-like structures called microvilli, which further enhance this surface area. This unique design means that the small intestine has a vast absorptive surface, approximately the size of a tennis court when fully extended. Such an extensive area is vital for the efficient uptake of nutrients from the food we consume.When food enters the small intestine, it has already been broken down into simpler forms by the stomach and pancreas. As the partially digested food, now called chyme, moves through the small intestine, it comes into contact with the villus">villi. Nutrients such as carbohydrates, proteins, fats, vitamins, and minerals are absorbed through the walls of the villus">villi and into the bloodstream. This process is essential for providing the body with the energy and materials needed for growth, repair, and overall function.Moreover, the health of the villus">villi is critical for proper digestion and nutrient absorption. Conditions such as celiac disease can damage the villus">villi, leading to malabsorption of nutrients and various health issues. When the villus">villi are flattened or destroyed, the body's ability to absorb nutrients diminishes significantly, resulting in deficiencies that can affect multiple systems.In addition to their role in nutrient absorption, villus">villi also contribute to the immune function of the gut. They contain specialized cells that help recognize and respond to pathogens, preventing infections and maintaining gut health. This immune function is particularly important given that a substantial portion of our immune system resides in the gut.The study of villus">villi extends beyond human biology; it is also relevant in veterinary medicine and agriculture. For instance, understanding how villus">villi function in livestock can improve feeding strategies and enhance growth rates, ultimately benefiting food production. Research on villus">villi in different species can lead to better management practices and healthier animals.In conclusion, the tiny structures known as villus">villi play an indispensable role in our digestive system. Their ability to maximize nutrient absorption and support immune function highlights their importance in maintaining overall health. As we continue to explore the complexities of human biology, the study of villus">villi will undoubtedly reveal more about how our bodies interact with the food we eat and how we can optimize our health through better nutrition.

人体是一个复杂而迷人的系统，由各种器官和结构组成，这些器官和结构共同协作以维持健康和功能。消化系统中最显著的特征之一是存在着被称为villus">绒毛的小突起。这些微观的、指状的结构排列在小肠的壁上，发挥着营养吸收的重要作用。理解villus">绒毛的功能和重要性可以帮助我们深入了解身体如何处理食物和吸收必需的营养素。villus">绒毛的主要目的是增加肠道内衬的表面积，从而允许更大的营养吸收。每个villus">绒毛的表面覆盖着更小的毛状结构，称为微绒毛，进一步增强了这一表面积。这种独特的设计意味着小肠的吸收表面积非常广泛，当完全展开时大约相当于一个网球场的大小。如此广泛的面积对于有效吸收我们所消费食物中的营养至关重要。当食物进入小肠时，已经在胃和胰腺的作用下被分解成更简单的形式。随着部分消化的食物（现在称为乳糜）通过小肠移动，它与villus">绒毛接触。碳水化合物、蛋白质、脂肪、维生素和矿物质等营养素通过villus">绒毛的壁被吸收到血液中。这一过程对于为身体提供生长、修复和整体功能所需的能量和材料是必不可少的。此外，villus">绒毛的健康对正确的消化和营养吸收至关重要。像乳糜泻这样的疾病会损害villus">绒毛，导致营养素的吸收不良和各种健康问题。当villus">绒毛被压平或破坏时，身体吸收营养的能力显著降低，导致缺乏症，可能影响多个系统。除了在营养吸收中的作用外，villus">绒毛还促进了肠道的免疫功能。它们含有专门的细胞，帮助识别和应对病原体，防止感染并维持肠道健康。考虑到我们免疫系统的一大部分位于肠道内，这一免疫功能尤为重要。对villus">绒毛的研究不仅限于人类生物学；它在兽医学和农业中也具有相关性。例如，了解villus">绒毛在家畜中的功能可以改善饲养策略，提高生长率，最终使食品生产受益。对不同物种中villus">绒毛的研究可以导致更好的管理实践和更健康的动物。总之，被称为villus">绒毛的微小结构在我们的消化系统中扮演着不可或缺的角色。它们最大化营养吸收和支持免疫功能的能力突显了它们在维持整体健康中的重要性。随着我们继续探索人类生物学的复杂性，对villus">绒毛的研究无疑将揭示更多关于我们身体如何与食物互动以及如何通过更好的营养来优化我们的健康的信息。