Anatomy Of The Large Bowel

But is only 15 meters in length which is around one fifth of the length of the intestinal canal. It receives digested food from the small intestine from which it absorbs water and electrolytes to form faeces.

Large Bowel Resection Series Normal Anatomy Medlineplus

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.

Anatomy of the large bowel. Knowledge of cross sectional radiological anatomy of the colon is of increasing importance given the requirement for accurate pre treatment staging of malignancy. The large intestine is a long tubular structure that is not coiled like small intestine. Like the rest of the gastrointestinal canal the large intestine is made of four tissue layers.

The cecum the colon the rectum and the anus. Water is absorbed here and the remaining waste material is stored as feces before being removed by defecation. The large intestine consists of the cecum ascending colon transverse colon descending colon and sigmoid colon.

The large intestine colon or large bowel is about 5 feet long and about 3 inches in diameter. The colon large intestine is the distal part of the gastrointestinal tract extending from the cecum to the anal canal. The large intestine is named for its relatively large diameter not its length.

The caecum ascending colon and descending colon are covered anteriorly by visceral peritoneum and approximately 50 of. Anatomically the colon can be divided into four parts ascending transverse descending and sigmoid. Most sources define the large intestine as the combination of the cecum colon rec.

This tubular structure is sometimes known as large bowel or colon. As compared to the small intestine the large bowel is wider. The large intestine is wider in diameter and hence allows the lucid movement of the undigested food particles through it.

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. The large intestine is responsible for processing indigestible food material chyme after most nutrients are absorbed in the small intestine. The innermost layer known as the mucosa is made of simple columnar epithelial tissue.

Surrounding the mucosa is a layer of blood vessels nerves and connective tissue known as. Teniae coli haustra and epiploic appendages figure 6. 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.

The large bowel comprises the colon rectum and anus. The large intestine is subdivided into four main regions. These sections form an arch which encircles the small intestine.

It frames the small intestine on three sides. Three features are unique to the large intestine. The large intestine consists of the cecum appendix ascending colon transverse colon descending colon rectum and anal canal.

The muscularis layer. The large intestine also known as the large bowel is the last part of the gastrointestinal tract and of the digestive system in vertebrates. Velvety tissue lines the small intestine which is divided into the duodenum jejunum and ileum.

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