Difference Between Small Intestine And Large Intestine Pdf

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This article — the fifth in a six-part series describes the physiology and functions of the large intestine, the last portion of the gastrointestinal tract, as well as common conditions of both the small and large intestine. In the large intestine — the final section of the gastrointestinal tract — absorption of water and electrolytes takes place and colonic bacteria complete the process of chemical digestion.

Large intestine

Chyme released from the stomach enters the small intestine , which is the primary digestive organ in the body. Not only is this where most digestion occurs, it is also where practically all absorption occurs. The longest part of the alimentary canal, the small intestine is about 3. This large surface area is necessary for complex processes of digestion and absorption that occur within it. The coiled tube of the small intestine is subdivided into three regions. From proximal at the stomach to distal, these are the duodenum, jejunum, and ileum [link]. The shortest region is the

Small and Large Intestine

NCBI Bookshelf. Laura L. Azzouz ; Sandeep Sharma. Authors Laura L. Azzouz 1 ; Sandeep Sharma 2. The large intestine, also known as the colon, is part of the digestive tract.


Jejunum: The middle section of the small intestine carries food through rapidly, with wave-like muscle contractions, towards the ileum. Ileum: This last section is the longest part of your small intestine. The ileum is where most of the nutrients from your food are absorbed before emptying into the large intestine.


The Small and Large Intestines

Small Intestine vs Large Intestine. However, the small intestine and large intestine are continuous tubes with differing functionalities as well as structural appearances. Both the small intestine and the large intestine are fragments of the alimentary canal or digestive tract. The digestive or alimentary tract is an elongated and continual tube like structure that begins in our mouth and reaches up to the rectal area.

The intestine is a muscular tube which extends from the lower end of your stomach to your anus, the lower opening of the digestive tract. It is also called the bowel or bowels. Food and the products of digestion pass through the intestine, which is divided into two sections called the small intestine and the large intestine. The small intestine is made up of three segments, which form a passage from your stomach the opening between your stomach and small intestine is called the pylorus to your large intestine:. By the time food reaches your small intestine, it has already been broken up and mashed into liquid by your stomach.

The Small intestine also is known as Small Bowel , which is around 20 feet long while Large intestine which is also called colon or Large bowel , is only 1. Being the part of our digestive system, they differ in their structure as well in their functions too. The small intestine is called small because of its small diameter which is around 3. Large intestine starts from the place where the small intestine ends, while small intestine is present between large intestine and stomach.

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The large intestine , also known as the large bowel , is the last part of the gastrointestinal tract and of the digestive system in vertebrates. Water is absorbed here and the remaining waste material is stored as feces before being removed by defecation. The colon [2] is the largest portion of the large intestine, so many mentions of the large intestine and colon overlap in meaning whenever precision is not the focus.

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