蠕动和细分之间的差异

关键区别 - 蠕动vs Segmentation

Peristalsis and segmentation are two types of the smooth muscle movements of the GI tract.蠕动将食物向下推向一个方向，而分割不会导致胃肠道内食物的净运动。This is thekey differencebetween peristalsis and segmentation.

Digestion and absorption are regulated by the different types of muscular movements of the gastrointestinal system. Ingested food is broken down into small components and is propelled through the GI tract and maximized the absorption in the intestine. Peristalsis and segmentation are two types of intestinal movements or the smooth muscle movements of the GI tract. Peristalsis is the alternate contractions and relaxations of circular and longitudinal muscles in the GI tract that propels foods into the downward direction from the mouth through the GI tract. Segmentation is the contraction of circular muscles of the small and large intestine that mixes食糜with gastric secretions and breaks chyme into small pieces.

内容

1.Overview and Key Difference
2.What is Peristalsis
3.什么是细分
4.Similarities Between Peristalsis and Segmentation
5.Side by Side Comparison – Peristalsis vs Segmentation in Tabular Form
6。概括

What is Peristalsis?

Peristalsis is the alternate contraction and relaxation of smooth muscles in the GI tracts in a wave-like manner that propels food丸downward from the mouth through the GI tract. Contraction and relaxation of muscles happen continuously in one direction.

蠕动主要发生在食管它发生在整个胃肠道。食物运动在蠕动期间沿一个方向发生，因此将食物与其他分泌物混合在一起。

什么是细分？

分割is a type of muscular movement of the GI tract that helps chyme to mix with gastric secretions and breaks into small parts for easy digestion. Segmentation occurs when the circular muscles of the GI tract contracts. It predominately occurs in the小肠和大肠.

分割并未显示食物沿一个方向的净运动。取而代之的是，它将辣椒与胃分泌物混合在一起，以消化和吸收。

What are the Similarities Between Peristalsis and Segmentation?

• Both Peristalsis and Segmentation are movements of food along the gastrointestinal tract.
• 蠕动和分割都有助于分解，混合和移动食物沿着胃肠道。
• Both Peristalsis and Segmentation may be triggered by pacemaker cells, hormones, chemicals, and physical stimulation.
• A number of hormonal and nervous factors initiate and maintain peristalsis and segmentation.

蠕动和分割之间有什么区别？

Peristalsis vs Segmentation
胃肠道向下推动食物的波浪状节奏性肌肉收缩被称为蠕动。	分割是肠道的肌肉运动。
Part of the GI tract It Predominates
Peristalsis predominates in the oesophagus.	分割predominates in large intestine and small intestine.
Direction
Peristalsis involves pushing bolus in a downward direction (one-way motion).	分割食糜在移动机器人h directions.
肌肉收缩
Peristalsis involves rhythmic contractions of the longitudinal muscles in the gastrointestinal tract.	分割involves contractions of the circular muscles in the digestive tract.
行动
Peristalsis is also known as propulsive contractions.	分割也称为混合收缩。
Muscles Involved
圆形肌肉都与蠕动有关。	Circular muscles are involved with segmentation.
Occurrence
Peristalsis occurs in whole GI tract.	分割发生在小肠和大肠中。
速度
Peristalsis shows the comparatively high progression of the bolus through the oesophagus.	分割显示Chyme通过系统的缓慢进展。
Direction of Food
Peristalsis pushes foods downwards.	分割does not produce a net movement of foods in any particular direction.
Thorough Mixing
Some mixing occurs during peristalsis.	在分割期间，发生彻底混合Chyme与分泌物的混合。
Breaking of Food
Compared to segmentation, breaking food into small pieces is low by peristalsis.	分割helps break chyme into small pieces.

概括– Peristalsisvs Segmentation

蠕动和分割是消化过程中胃肠道的两种肌肉作用。Peristalsis负责通过胃肠道向下的食物向下方向，而分割负责将食物与胃分泌物的正确混合，并将食物分解成小块，以便于消化。当胃肠道合同的圆形和纵向肌肉并以另一种方式放松时，就会发生蠕动。当圆形肌肉在前后方向收缩时，就会分割。这是蠕动和分割之间的区别。

Reference:

1. “Segmentation.” Digestive System.Available here
2.“细分收缩”。Wikipedia，Wikimedia基金会，2018年4月3日。Available here

Image Courtesy:

1. peristalsis'by boumphreyfr - 自己的工作，(CC BY-SA 3.0)viaCommons Wikimedia
2.’2419分段'开放式学院 - 解剖与生理学，Connexions Web site. Jun 19, 2013.,(CC BY 3.0)viaCommons Wikimedia