In this article we will discuss the anatomy of the sigmoid colon including its blood supply venous drainage lymphatic drainage and nerve supply. The colon in those areas is fixed in location.
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The colon is also called the large intestine.
Colon anatomy definition. Water and electrolytes are absorbed solidified and prepared for elimination as feces in the colon. The ascending colon travels up the right side of the abdomen. Irritable colon nervous colon spastic colon terms formerly used for irritable bowel syndrome.
The section known as the ascending colon starts at the cecum and extends upward on the right side of the abdomen to just underneath the liver. Arterial supply to the colon comes from branches of the superior mesenteric artery sma and inferior mesenteric artery ima. Anatomy the large pouch at the beginning of the large intestine located in the lower right hand side of the.
The area of the turn is called the hepatic flexure. The ileum last part of the small intestine connects to the cecum first part of the colon in the lower right abdomen. The colon also contains bacteria that help in the bodys absorption of nutrients from digested material.
The longest part of the large intestine extending from the cecum to the rectum. At this point it turns sharply to the left. Overall colon anatomy has four main sections.
Most commonly occurs at the anorectal junction in middle aged dogs causing diarrhea dyschezia and rectal bleeding. The transverse colon runs across the abdomen. Some other sources exclude the anal canal.
Pertaining to or of the nature of the colon and the rectum. Ceca also caeca 1. The term colon is often used to refer to the entire large intestine.
The rest of the colon is divided into four parts. Colon kōlon ta in medical dictation the phrase colon mark is customarily used to identify the punctuation mark when there is any possibility of confusion with the anatomic word. 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.
Most sources define the large intestine as the combination of the cecum colon rectum and anal canal. Colon anatomy synonyms colon anatomy pronunciation colon anatomy translation english dictionary definition of colon anatomy. The location of the parts of the colon are either in the abdominal cavity or behind it in the retroperitoneum.
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. Colon the longest segment of the large intestine.
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