rectum

简明释义

英[ˈrektəm]美[ˈrektəm]

n. 直肠

复 数 r e c t u m s 或 r e c t a

英英释义

单词用法

同义词

反义词

例句

1.The wall of the rectum is thin, and other parts can be felt through it.

墙上的直肠是薄，和其他部分可以认为，通过它。

2.The dose to the rectum was calculated from the planning computed tonography.

直肠的剂量是根据计划的张力描记器计算得出的。

3.Next to rectum, the radioactivity in liver and kidney was the highest.

除直肠外，药物放射性在肝、肾中的水平最高。

4.Tissue, Total Protein, Human Fetal Normal, Rectum.

组织，总蛋白，人正常胚胎，直肠。

5.Tissue, Nuclear Protein, Human Fetal Normal, Rectum.

组织，核蛋白，人正常胚胎，直肠。

6.Once a bear went down, they landed and collected a sample directly from its rectum.

只要北极熊倒下了，他们就能登陆，直接从北极熊的直肠采取样本。

7.You may rage and rant about the fixation with the rectum, but the results are there for all to see by the time you leave.

您可能会对直肠固定发怒责骂，但是当你结束疗程准备离开时，疗效可是有目共睹的啊。

8.Usually, the remaining colon can then be joined to the rectum.

通常情况下，结肠的剩余部分就会和直肠连接在一起。

9.The doctor performed an examination of the rectum to check for any abnormalities.

医生对直肠进行了检查，以查看是否有任何异常。

10.Inflammation in the rectum can lead to discomfort and requires medical attention.

直肠的炎症可能导致不适，需要医疗关注。

11.During a colonoscopy, the doctor examines the entire colon and rectum.

在结肠镜检查中，医生检查整个结肠和直肠。

12.Symptoms like pain in the rectum may indicate a serious condition.

如直肠疼痛等症状可能表明严重情况。

13.The patient reported bleeding from the rectum, which is a concerning symptom.

患者报告从直肠出血，这是一个令人担忧的症状。

作文

The human body is a complex system composed of various organs that perform specific functions. One of the crucial parts of the digestive system is the rectum, which plays a vital role in the elimination of waste. The rectum (直肠) is the final section of the large intestine and serves as a temporary storage site for feces before they are expelled from the body. Understanding the function and importance of the rectum can help us appreciate how our bodies work and the significance of maintaining digestive health. The rectum begins at the end of the sigmoid colon and extends to the anal canal. It is approximately 12 centimeters long and is lined with a mucous membrane that aids in lubrication. When the intestines have processed food, the waste material moves into the rectum, where stretch receptors signal the brain that it is time to eliminate. This process is an important part of our bodily functions, as it helps rid the body of toxins and undigested material. Several factors can affect the health of the rectum and overall digestive system. A diet low in fiber can lead to constipation, making it difficult for waste to pass through the rectum. This can result in discomfort and may lead to more serious conditions such as hemorrhoids or anal fissures. Therefore, consuming a balanced diet rich in fruits, vegetables, and whole grains is essential for promoting healthy bowel movements and ensuring the rectum functions properly. In addition to dietary choices, hydration plays a crucial role in maintaining the health of the rectum. Drinking enough water helps soften the stool, making it easier to pass. Dehydration can lead to hard stool, which can cause strain during bowel movements and potentially harm the rectum. Regular physical activity is also beneficial for digestive health. Exercise stimulates intestinal contractions, helping to move waste through the digestive tract and into the rectum. Incorporating regular exercise into one’s routine can significantly improve bowel function and prevent issues related to the rectum. On the other hand, certain medical conditions can affect the rectum and require medical attention. Conditions such as inflammatory bowel disease (IBD), colorectal cancer, and rectal prolapse can impact the normal functioning of the rectum. It is crucial to recognize symptoms such as persistent pain, bleeding, or changes in bowel habits, as these can indicate underlying health issues that need to be addressed. In conclusion, the rectum (直肠) is a vital part of the digestive system that plays a significant role in waste elimination. Understanding its function, the factors that influence its health, and the potential medical conditions associated with it can empower individuals to take better care of their digestive health. By maintaining a balanced diet, staying hydrated, and engaging in regular exercise, we can support the proper functioning of the rectum and overall well-being.

人类身体是一个复杂的系统，由各种器官组成，执行特定的功能。消化系统中一个至关重要的部分是直肠，它在废物排除中起着重要作用。直肠（rectum）是大肠的最后一部分，作为粪便在排出体外之前的临时储存位。理解直肠的功能和重要性可以帮助我们欣赏身体的运作以及保持消化健康的重要性。 直肠从乙状结肠的末端开始，延伸到肛管。它大约长12厘米，内衬有粘膜，有助于润滑。当肠道处理完食物后，废物进入直肠，在那里，伸展感受器向大脑发出信号，提示排泄的时间。这一过程是我们身体功能的重要组成部分，有助于清除体内的毒素和未消化的物质。 多种因素会影响直肠及整体消化系统的健康。低纤维饮食可能导致便秘，使废物难以通过直肠。这可能导致不适，并可能引发更严重的病症，如痔疮或肛裂。因此，摄入富含水果、蔬菜和全谷物的均衡饮食对于促进健康的排便和确保直肠正常运作至关重要。 除了饮食选择，水分摄入在维持直肠健康中也发挥着关键作用。足够的水分有助于软化粪便，使其更易通过。脱水会导致粪便干硬，从而在排便时造成压力，可能对直肠造成伤害。 规律的体育活动也有利于消化健康。锻炼刺激肠道收缩，有助于将废物移动通过消化道并进入直肠。将定期锻炼纳入日常生活中，可以显著改善肠道功能，预防与直肠相关的问题。 另一方面，某些医疗条件可能会影响直肠并需要医疗关注。炎症性肠病（IBD）、结直肠癌和直肠脱垂等疾病可能影响直肠的正常功能。识别持续疼痛、出血或排便习惯变化等症状至关重要，因为这些可能表明需要解决的潜在健康问题。 总之，直肠（rectum）是消化系统的重要部分，在废物排除中发挥着重要作用。理解其功能、影响其健康的因素以及与之相关的潜在医疗条件，可以使个人更好地照顾自己的消化健康。通过保持均衡饮食、保持水分和参与定期锻炼，我们可以支持直肠的正常运作和整体健康。