jejunum

简明释义

英[dʒɪˈdʒuːnəm]美[dʒɪˈdʒuːnəm]

n. [解剖] 空肠

复 数 j e j u n a

英英释义

单词用法

同义词

反义词

例句

1.The results prove that the arterial arcades about jejunum is as much as in colon.

结果表明：可供移植空肠的动脉弓是完整的，空肠的血供与结肠相比无明显差异。

2.The characteristic microscopic feature was proliferation of immature crypt epithelial cells, primarily in the ileum and jejunum.

显微变化以回肠和结肠隐窝内未成熟的肠细胞发生腺瘤样增生为特征。

3.Adopting side to side anastomosis of pancreatic wound surface with jejunum could decrease the occurrence of pancreas fistula.

采用胰腺创面与空肠行侧侧吻合术可有助于降低术后胰漏的发生。

4.Course: the patient is taken to the OR and undergoes segmental resection of the obstructed jejunum and a lymph node biopsy.

过程：病人被送往手术室，并作了部分空肠切除手术和淋巴腺活组织检查。

5.Objective: to evaluate the efficacy of Qingyitang to acute pancreatitis with trans-jejunum feeding.

前言：目的：探讨经空肠饲服清胰汤治疗急性胰腺炎的疗效。

6.Tissue, Total Protein, Human Disease, Liver Cirrhosis, Small intestine, Jejunum.

组织，总蛋白， 病人，肝硬化，小肠，空肠。

7.The digestive gland of liver and pancreas was got into initial jejunum through one duct.

肝脏和胰脏消化腺通过一条导管共同开口于空肠的起始部。

8.Inflammation of the jejunum can lead to malabsorption syndromes.

空肠的炎症可能导致吸收不良综合症。

9.The absorption of nutrients primarily occurs in the jejunum.

营养物质的吸收主要发生在空肠。

10.Doctors often perform biopsies of the jejunum to diagnose celiac disease.

医生通常对空肠进行活检以诊断乳糜泻。

11.The jejunum plays a crucial role in digesting carbohydrates and proteins.

空肠在消化碳水化合物和蛋白质中起着至关重要的作用。

12.During the surgery, the doctor identified the jejunum, which is the second part of the small intestine.

在手术中，医生识别了空肠，这是小肠的第二部分。

作文

The human body is a complex and fascinating system, with each part playing a crucial role in maintaining overall health and functionality. One of the key components of the digestive system is the small intestine, which is divided into three main sections: the duodenum, the 空肠 (jejunum), and the ileum. Each section has specific functions that contribute to the digestion and absorption of nutrients from the food we consume. In this essay, I will focus on the 空肠 (jejunum) and its importance in our digestive process.The 空肠 (jejunum) is the middle section of the small intestine, located between the duodenum and the ileum. It is approximately 2.5 meters long in adults and is responsible for the majority of nutrient absorption. The inner lining of the 空肠 (jejunum) is covered with tiny finger-like projections called villi, which increase the surface area available for nutrient absorption. These villi are further lined with microvilli, creating an even larger surface area for effective absorption.One of the primary functions of the 空肠 (jejunum) is to absorb carbohydrates, proteins, and fats from the partially digested food that enters it from the duodenum. As food passes through the 空肠 (jejunum), enzymes continue to break down complex molecules into simpler forms that can be easily absorbed. For example, carbohydrates are broken down into simple sugars like glucose, while proteins are reduced to amino acids. Fats are emulsified by bile salts, making them easier to absorb.The efficiency of the 空肠 (jejunum) in nutrient absorption is vital for maintaining energy levels and overall health. If the 空肠 (jejunum) is not functioning properly, it can lead to malabsorption syndromes, where the body fails to absorb essential nutrients effectively. This can result in various health issues, including weight loss, fatigue, and deficiencies in vitamins and minerals. Conditions such as celiac disease, Crohn's disease, and infections can affect the health of the 空肠 (jejunum), highlighting the importance of this section of the digestive system.In addition to its role in nutrient absorption, the 空肠 (jejunum) also plays a part in regulating the movement of food through the digestive tract. The muscular walls of the 空肠 (jejunum) contract rhythmically to mix the food with digestive juices and push it along to the next section of the intestine. This process ensures that nutrients are adequately absorbed before the remaining waste moves into the ileum.In conclusion, the 空肠 (jejunum) is a vital part of the digestive system, responsible for absorbing a significant portion of the nutrients from our food. Its specialized structure, with villi and microvilli, maximizes the surface area for absorption, allowing our bodies to obtain the necessary components for energy and health. Understanding the role of the 空肠 (jejunum) helps us appreciate the complexity of our digestive system and the importance of maintaining its health through a balanced diet and lifestyle choices. By taking care of our digestive health, we ensure that our 空肠 (jejunum) can function optimally, allowing us to thrive and enjoy a healthy life.

人体是一个复杂而迷人的系统，每个部分在维持整体健康和功能方面都发挥着至关重要的作用。消化系统的一个关键组成部分是小肠，它分为三个主要部分：十二指肠、空肠（jejunum）和回肠。每个部分都有特定的功能，有助于消化和吸收我们所消费食物中的营养成分。在这篇文章中，我将重点介绍空肠（jejunum）及其在我们的消化过程中重要性。空肠（jejunum）是小肠的中间部分，位于十二指肠和回肠之间。它在成年人中大约长2.5米，负责大部分营养物质的吸收。空肠（jejunum）的内衬覆盖着微小的手指状突起，称为绒毛，这些绒毛增加了可用于营养吸收的表面积。这些绒毛进一步被微绒毛覆盖，形成更大的表面积，以便有效吸收。空肠（jejunum）的主要功能之一是从进入其内的部分消化食物中吸收碳水化合物、蛋白质和脂肪。当食物通过空肠（jejunum）时，酶继续将复杂分子分解为可以轻松吸收的简单形式。例如，碳水化合物被分解成简单糖如葡萄糖，而蛋白质则被减少为氨基酸。脂肪则被胆盐乳化，使其更易吸收。空肠（jejunum）在营养吸收方面的效率对维持能量水平和整体健康至关重要。如果空肠（jejunum）功能不正常，可能导致营养吸收不良综合症，身体无法有效吸收必需营养素。这可能导致各种健康问题，包括体重减轻、疲劳以及维生素和矿物质缺乏。乳糜泻、克罗恩病和感染等疾病可能会影响空肠（jejunum）的健康，这突显了消化系统这一部分的重要性。除了在营养吸收中的作用外，空肠（jejunum）还在调节食物通过消化道的运动中发挥作用。空肠（jejunum）的肌肉壁以节律性收缩混合食物与消化液，并将其推送到肠道的下一个部分。这个过程确保在剩余废物进入回肠之前，营养物质得到充分吸收。总之，空肠（jejunum）是消化系统的重要部分，负责从我们食物中吸收大量营养成分。其专门结构具有绒毛和微绒毛，最大化了吸收的表面积，使我们的身体能够获得能量和健康所需的必要成分。了解空肠（jejunum）的作用有助于我们欣赏消化系统的复杂性，以及通过均衡饮食和生活方式选择来维护其健康的重要性。通过照顾我们的消化健康，我们确保空肠（jejunum）能够正常运作，使我们能够茁壮成长，享受健康的生活。