Anatomy Of The Large Bowel

As compared to the small intestine the large bowel is wider. The large bowel comprises the colon rectum and anus.

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The colon large intestine is the distal part of the gastrointestinal tract extending from the cecum to the anal canal.

Anatomy of the large bowel. The muscularis layer. Velvety tissue lines the small intestine which is divided into the duodenum jejunum and ileum. The large intestine consists of the cecum appendix ascending colon transverse colon descending colon rectum and anal canal.

This tubular structure is sometimes known as large bowel or colon. The large intestine consists of the cecum ascending colon transverse colon descending colon and sigmoid colon. Despite its being about one half as long as the small intestine it is called large because it is more than twice the diameter of the small intestine about 3 inches.

Anatomically the colon can be divided into four parts ascending transverse descending and sigmoid. The large intestine is responsible for processing indigestible food material chyme after most nutrients are absorbed in the small intestine. The large intestine is subdivided into four main regions.

The large intestine colon or large bowel is about 5 feet long and about 3 inches in diameter. The innermost layer known as the mucosa is made of simple columnar epithelial tissue. Most sources define the large intestine as the combination of the cecum colon rec.

Like the rest of the gastrointestinal canal the large intestine is made of four tissue layers. These sections form an arch which encircles the small intestine. The large intestine also known as the large bowel is the last part of the gastrointestinal tract and of the digestive system in vertebrates.

It receives digested food from the small intestine from which it absorbs water and electrolytes to form faeces. Knowledge of cross sectional radiological anatomy of the colon is of increasing importance given the requirement for accurate pre treatment staging of malignancy. Three features are unique to the large intestine.

The large intestine is a long tubular structure that is not coiled like small intestine. The caecum ascending colon and descending colon are covered anteriorly by visceral peritoneum and approximately 50 of. The large intestine is wider in diameter and hence allows the lucid movement of the undigested food particles through it.

The cecum the colon the rectum and the anus. The teniae coli are three bands of smooth muscle that make up the longitudinal muscle layer of the muscularis of the large intestine except at its terminal end. It frames the small intestine on three sides.

Water is absorbed here and the remaining waste material is stored as feces before being removed by defecation. The large intestine is named for its relatively large diameter not its length. Surrounding the mucosa is a layer of blood vessels nerves and connective tissue known as.

But is only 15 meters in length which is around one fifth of the length of the intestinal canal. The colon 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. Teniae coli haustra and epiploic appendages figure 6.

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