What Is The Colon Anatomy

The colon is the last part of the digestive system in most vertebrates. The ascending colon travels up the right side of the abdomen.

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The rest of the colon is divided into four parts.

What is the colon anatomy. The left colon consists of the left half. Overall colon anatomy has four main sections. It is a hollow muscular tube which carries out a number of digestive functions.

Most sources define the large intestine as the combination of the cecum colon rectum and anal canal. Anatomy of colon and rectum. Some other sources exclude the anal canal.

The colon lies within the abdomen. The term colon is often used to refer to the entire large intestine. 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 colon is a 5 6ft long inverted u shaped part of the large intestine lower gastrointestinal tract. This turn is known as the right colic flexure or hepatic flexure and marks the start of the transverse colon. Pertaining to or of the nature of the colon and the rectum.

The rectum is the last anatomic segment before the anus. When it meets the right lobe of the liver it turns 90 degrees to move horizontally. The anatomy of the colon starts after the cecum and ends before the rectum.

The right colon consists of the cecum ascending colon hepatic flexure and the right half of the transverse colon. The colon is also called the large intestine. In this article we will discuss the anatomy of the sigmoid colon including its blood supply venous drainage lymphatic drainage and nerve supply.

The ileum last part of the small intestine connects to the cecum first part of the colon in the lower right abdomen. It is part of the digestive system and specifically part of the large intestines. The transverse colon runs across the abdomen.

The colon begins as the ascending colon a retroperitoneal structure which ascends superiorly from the cecum. The colon extends from the cecum an enlarged area at the end of the small intestine up the right side of the abdomen ascending colon across to the left side transverse. It extracts water and salt from solid wastes before they are eliminated from the body and is the site in which flora aided largely bacteria fermentation of unabsorbed material occurs.

The ascending and descending colon are supported by peritoneal folds called mesentery. Embryologically the colon develops partly from the midgut. By definition the cecum and appendix and ano rectum which are parts of the large intestine are not included in the colon.

Colon the longest segment of the large intestine. Most commonly occurs at the anorectal junction in middle aged dogs causing diarrhea dyschezia and rectal bleeding. It acts as a site for water absorption from the faeces as a site for flatus to be stored before being expelled and as a site of peristalsis.

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