peristalsis

简明释义

英[ˌperɪˈstælsɪs]美[ˌperɪˈstælsɪs]

n. 蠕动

复 数 p e r i s t a l s e s

英英释义

单词用法

同义词

反义词

例句

1.Conclusions: Touch can quicken stomach intestine peristalsis of neonatus, increase the intake of milk and increase the weight quickly.

结论抚触能明显加快新生儿胃肠蠕动，摄奶量增多，体重增长快。

2.Peristalsis in the body of the esophagus is under vagal control .

食管本体的蠕动受迷走神经支配。

3.Peristalsis will also weakens, continue to eat food natural hard to get the digestion.

蠕动功能也会随之减弱，吃下去的食物自然难以得到消化。

4.This feeling is actually caused by the contraction of your muscles which is called peristalsis.

这种感觉其实是所造成的收缩你的肌肉，这是所谓的蠕动。

5.It is characterized by a return of peristalsis.

它的特点是肠蠕动恢复。

6.Cabbage contains a lot of rough fiber, can promote gastrointestinal peristalsis to help digestion, preventing stool stem node.

白菜含有大量的粗纤维，可促进胃肠道蠕动，帮助消化，防止大便干结。

7.Result: This pill can obviously promote the peristalsis of large intestine of normal and constipation mice models.

结果：润肠通便浓缩丸对正常及便秘模型小鼠大肠蠕动均有明显促进作用。

8.The process of peristalsis is essential for moving food through the digestive tract.

蠕动的过程对食物在消化道中的移动至关重要。

9.The intestines rely on peristalsis to absorb nutrients effectively.

肠道依赖于蠕动来有效吸收营养。

10.In a healthy digestive system, peristalsis occurs rhythmically.

在健康的消化系统中，蠕动以节律性进行。

11.Certain medications can affect peristalsis, leading to digestive issues.

某些药物可能会影响蠕动，导致消化问题。

12.After swallowing, peristalsis begins in the esophagus to push the food down.

吞咽后，食道中的蠕动开始将食物推向下方。

作文

The human body is an intricate system, composed of various organs that work together to maintain life. One of the most fascinating processes within this system is known as peristalsis, which refers to the wave-like muscle contractions that move food through the digestive tract. This process is essential for digestion and absorption of nutrients, making it a critical component of our overall health. Understanding peristalsis can help us appreciate how our bodies function and the importance of maintaining a healthy digestive system.When we consume food, it enters the esophagus, where peristalsis begins its vital role. The muscles in the walls of the esophagus contract in a coordinated manner, creating waves that push the food down toward the stomach. This involuntary movement is not only limited to the esophagus; it occurs throughout the entire digestive tract, including the stomach and intestines. In the stomach, peristalsis helps mix food with gastric juices, breaking it down into a semi-liquid form called chyme.Once the chyme moves into the small intestine, peristalsis continues to play a crucial role. Here, the wave-like contractions propel the chyme along the intestinal tract, allowing for maximum nutrient absorption. The small intestine is lined with tiny finger-like projections called villi, which increase the surface area for absorption. Without the effective action of peristalsis, the movement of food would be sluggish, leading to malabsorption and various digestive issues.Moreover, peristalsis is not just limited to the forward motion of food; it also plays a role in the elimination of waste. Once the nutrients have been absorbed in the small intestine, the remaining indigestible parts move into the large intestine. Here, peristalsis helps to compact the waste material and push it toward the rectum for excretion. This highlights the importance of peristalsis not only in digestion but also in maintaining the body's overall homeostasis.Various factors can influence the efficiency of peristalsis. For instance, a diet rich in fiber can promote healthy bowel movements and support the natural rhythm of these muscle contractions. Conversely, a diet low in fiber may lead to constipation, where peristalsis is hindered, causing discomfort and other digestive problems. Additionally, hydration plays a significant role; adequate fluid intake ensures that the food moves smoothly through the digestive tract, facilitating the action of peristalsis.Stress and certain medical conditions can also affect peristalsis. For example, conditions like irritable bowel syndrome (IBS) can disrupt the normal rhythmic contractions, leading to either diarrhea or constipation. Understanding the triggers that affect peristalsis can empower individuals to make lifestyle changes that support their digestive health.In conclusion, peristalsis is a fundamental process that sustains our digestive system's functionality. By comprehending its role in moving food through the digestive tract and the factors that influence it, we can take proactive steps to ensure our digestive health. A balanced diet, adequate hydration, and stress management are key components in promoting effective peristalsis. As we continue to learn about our bodies, it becomes increasingly clear how interconnected our systems are and how vital each process, such as peristalsis, is to our overall well-being.

人类身体是一个复杂的系统，由各种器官组成，这些器官共同工作以维持生命。在这个系统中，有一个非常迷人的过程被称为蠕动，它指的是通过消化道推动食物的波浪状肌肉收缩。这一过程对于消化和营养吸收至关重要，使其成为我们整体健康的重要组成部分。理解蠕动可以帮助我们欣赏身体的运作方式以及保持健康消化系统的重要性。当我们摄入食物时，食物进入食道，此时蠕动开始发挥其重要作用。食道壁中的肌肉以协调的方式收缩，形成波浪，将食物向下推送到胃里。这种不随意的运动不仅限于食道；它在整个消化道内发生，包括胃和肠道。在胃中，蠕动帮助将食物与胃液混合，将其分解为一种半液态的物质，称为食糜。一旦食糜进入小肠，蠕动继续发挥关键作用。在这里，波浪状的收缩推动食糜沿肠道前进，从而最大限度地吸收营养。小肠内衬有微小的指状突起，称为绒毛，增加了吸收的表面积。如果没有有效的蠕动，食物的移动将会缓慢，导致营养吸收不良和各种消化问题。此外，蠕动不仅限于食物的前向运动；它还在废物排除中发挥作用。当营养在小肠中被吸收后，剩余的不可消化部分进入大肠。在这里，蠕动帮助压缩废物材料，并将其推向直肠以便排泄。这突显了蠕动在消化和维持身体整体稳态中的重要性。各种因素可以影响蠕动的效率。例如，富含纤维的饮食可以促进健康的排便，并支持这些肌肉收缩的自然节奏。相反，低纤维饮食可能导致便秘，其中蠕动受到阻碍，导致不适和其他消化问题。此外，水合作用也起着重要作用；充足的液体摄入确保食物在消化道中顺利移动，促进蠕动的作用。压力和某些医疗条件也会影响蠕动。例如，肠易激综合症（IBS）等疾病可能会扰乱正常的节律收缩，导致腹泻或便秘。理解影响蠕动的触发因素可以使个人采取生活方式的改变，以支持他们的消化健康。总之，蠕动是维持我们消化系统功能的基本过程。通过理解它在推动食物通过消化道中的作用以及影响它的因素，我们可以采取积极的措施来确保我们的消化健康。均衡饮食、适当水分摄入和压力管理是促进有效蠕动的关键组成部分。随着我们对身体的不断了解，越来越清楚每个过程（如蠕动）对我们整体健康的重要性。