The Colon is Another Name for the Large Intestine

This condition, referred to as redundant colon , typically has no direct major health consequences, though rarely volvulus occurs, resulting in obstruction and requiring immediate medical attention. Bacterial fermentation converts the chyme into feces and releases vitamins including vitamins K, B1, B2, B6, B12, and biotin.

SEER Training: Small & Large Intestine

You may think of vitamins as nutrients which are absorbed higher in the digestive tract, but the colon plays a very important role in the absorbing vitamins necessary for good health. Your large intestine is the final part of your digestive tract. The large intestine [35] produces no digestive enzymes — chemical digestion is completed in the small intestine before the chyme reaches the large intestine. Sources Menche N.

Historically, it has been believed that the arc of Riolan, or the meandering mesenteric artery of Moskowitz , is a variable vessel connecting the proximal SMA to the proximal IMA that can be extremely important if either vessel is occluded.

The Role of Your Large Intestine

The transverse colon is the part of the colon from the hepatic flexure , also known as the right colic, the turn of the colon by the liver to the splenic flexure also known as the left colic, the turn of the colon by the spleen. Gastrointestinal wall.

Ions and nutrients released by gut bacteria and dissolved in water are also absorbed in the large intestine and used by the body for metabolism.

A sigmoidoscopy is often used as a screening procedure for a full colonoscopy, often done in conjunction with a fecal occult blood test FOBT.

Flow between these two systems communicates via a "marginal artery" that runs parallel to the colon for its entire length. It consists of the caecumappendixcolon and rectum. How does the intestine work?

How does the intestine work? - Informed Health Online - NCBI Bookshelf

The smooth muscle layer is thick and forms the internal anal sphincter at the superior end of the anal canal. In other projects Wikimedia Commons. Pharynx Muscles Spaces peripharyngeal retropharyngeal parapharyngeal retrovisceral danger prevertebral Pterygomandibular raphe Pharyngeal raphe Buccopharyngeal fascia Pharyngobasilar fascia Piriform sinus. Structural features In an average adult, the large intestine is about 1. The descending colon descends goes downward along the left side of the abdomen from just beneath the diaphragm at the top of the abdomen to the left pelvic region.

Cecum Appendix.

Large Intestine

As estimated from the image in panel A, there are about colonic crypts per square millimeter of the colonic epithelium. It is written by a team of health care professionals, scientists and editors, and reviewed by external experts. Applied and Environmental Microbiology. This organ is called the large intestine because of the diameter width of the intestine; it is much wider than the small intestine , but also much shorter. Miller; Meyer J. Wildlife Finder.

These hormones influence things like the production of bile or pancreatic juice. The inside wall of the small intestine has folds in it, like the body of an accordion.

Small & Large Intestine

The intestine bowel is a winding muscular tube extending from the stomach to the anus. Virtual colonoscopy , which uses 2D and 3D imagery reconstructed from computed tomography CT scans or from nuclear magnetic resonance MR scans, is also possible, as a totally non-invasive medical test, although it is not standard and still under investigation regarding its diagnostic abilities.

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