irritable colon

colon

[ko´lon] the part of the large intestine extending from the cecum to the rectum; it is divided as follows: the ascending colon passes upward from the cecum to the lower edge of the liver, where it bends and becomes the transverse colon; the transverse colon crosses the abdominal cavity from right to left below the stomach and then bends downward to become the descending colon; the descending colon then extends downward along the left side of the abdomen, and at the brim of the pelvis it becomes the sigmoid colon, an S-shaped curve leading down to the sacrum where it becomes the rectum" >rectum. See also digestive system and see color plates. adj., adj colon´ic.irritable colon (nervous colon) (spastic colon) terms formerly used for irritable bowel syndrome.

ir·ri·ta·ble co·lon

tendency to colonic hyperperistalsis, sometimes with colicky pains and diarrhea.

ir·ri·ta·ble bow·el syn·drome

(IBS) , irritable colon (ir'i-tă-bĕl bow'ĕl sin'drōm, kō'lŏn) A condition characterized by gastrointestinal signs and symptoms including constipation, diarrhea, gas and bloating, all in the absence of organic pathology. Associated with uncoordinated and inefficient contractions of the large intestine.
Synonym(s): spastic colon.

colon

(ko'lon) [L. colon, fr Gr. kolon, large intestine]

COLON AND RECTUM: Normal colon, seen endoscopically

COLON AND RECTUM: Normal colon, seen endoscopically

COLON AND RECTUM: Normal colon, seen endoscopicallyThe large intestine from the end of the ileum to the anal canal that surrounds the anus, about 59 in (1.5 m) long; divided into the ascending, the transverse, the descending, and the sigmoid or pelvic colon. Beginning at the cecum, the first part of the large intestine (ascending colon) passes upward to the right colic or hepatic flexure, where it turns as the transverse colon passing ventral to the liver and stomach. On reaching the spleen, it turns downward (left colic or splenic flexure) and continues as the descending colon to the brim of the pelvis, where it is continuous with the sigmoid colon and extends to the rectum. See: illustration

Function

Mechanical: The colon mixes the intestinal contents. Chemical: The colon does not secrete digestive enzymes. The products of bacterial action that are absorbed into the bloodstream are carried by the portal circulation to the liver before they enter the general circulation. More water is absorbed in the colon than in the small intestine. In this way, body fluids are conserved, and despite the large volumes of secretions added to the food during its progress through the alimentary canal, the contents of the colon are gradually dehydrated until they assume the consistency of normal feces or even become quite hard. See: absorption, colon; defecation

Bacteria of the colon

The normal microbial flora in the colon, some of which may produce vitamins, esp. vitamin K; metabolize proteins and sugars; produce organic acids and ammonia; and deconjugate bile acids. Several conditions, such as use of antibiotics, corticosteroids, or dieting, may alter the normal flora. Although Escherichia coli is the most widely known bacterium that inhabits the colon, it is not the most common, being outnumbered by anaerobic Bacteroides species by a very wide margin.

irritable colon

Irritable bowel syndrome.

sigmoid colon

The part of the colon that turns medially at the left iliac crest, between the descending colon and the rectum; shaped like the letter S.

spastic colon

Irritable bowel syndrome.

irritable colon

See IRRITABLE BOWEL SYNDROME.

Irritable colon

An intestinal disorder often accompanied by abdominal pain and diarrhea.Mentioned in: Antigas Agents

ir·ri·ta·ble co·lon

(iri-tă-bĕl kōlŏn) Tendency to colonic hyperperistalsis.

Patient discussion about irritable colon

Q. What percentages of fibromyalgia patients have IBS. My cousin with fibromyalgia aka FMS have also been diagnosed with IBS. Is it a usual happening? What percentages of fibromyalgia patients have IBS?A. Irritable bowel syndrome seems to go hand in hand with FMS, similar to the way in which people with fibromyalgia are also found to have depression. A fairly high percentage of individuals with fibromyalgia aka FMS have also been diagnosed with IBS, or irritable bowel syndrome. So how high is the percentage? It is believed that up to 70 to 80 percent of fibromyalgia patients also suffer from IBS, a form of inflammatory bowel disease. Irritable bowel syndrome seems to go hand in hand with FMS, similar to the way in which people with fibromyalgia are also found to have depression. Statistically, of course, those who have both IBS and FMS are overwhelmingly female, just as patients who are diagnosed with depression, fibromyalgia, or irritable bowel syndrome separately, tend more often to be female versus male.

More discussions about irritable colon

单词	irritable colon
释义	DictionarySeeirritable bowel syndrome irritable colon irritable colon [′ir·əd·ə·bəl ′kō·lən] (medicine) Any of several disturbed colonic functions associated with anxiety or emotional stress. Also known as adaptive colitis; mucous colitis; spastic colon; unstable colon. irritable colon colon [ko´lon] the part of the large intestine extending from the cecum to the rectum; it is divided as follows: the ascending colon passes upward from the cecum to the lower edge of the liver, where it bends and becomes the transverse colon; the transverse colon crosses the abdominal cavity from right to left below the stomach and then bends downward to become the descending colon; the descending colon then extends downward along the left side of the abdomen, and at the brim of the pelvis it becomes the sigmoid colon, an S-shaped curve leading down to the sacrum where it becomes the rectum" >rectum. See also digestive system and see color plates. adj., adj colon´ic.irritable colon (nervous colon) (spastic colon) terms formerly used for irritable bowel syndrome. ir·ri·ta·ble co·lon tendency to colonic hyperperistalsis, sometimes with colicky pains and diarrhea. ir·ri·ta·ble bow·el syn·drome (IBS) , irritable colon (ir'i-tă-bĕl bow'ĕl sin'drōm, kō'lŏn) A condition characterized by gastrointestinal signs and symptoms including constipation, diarrhea, gas and bloating, all in the absence of organic pathology. Associated with uncoordinated and inefficient contractions of the large intestine. Synonym(s): spastic colon. colon (ko'lon) [L. colon, fr Gr. kolon, large intestine] COLON AND RECTUM: Normal colon, seen endoscopicallyCOLON AND RECTUM: Normal colon, seen endoscopicallyCOLON AND RECTUM: Normal colon, seen endoscopicallyThe large intestine from the end of the ileum to the anal canal that surrounds the anus, about 59 in (1.5 m) long; divided into the ascending, the transverse, the descending, and the sigmoid or pelvic colon. Beginning at the cecum, the first part of the large intestine (ascending colon) passes upward to the right colic or hepatic flexure, where it turns as the transverse colon passing ventral to the liver and stomach. On reaching the spleen, it turns downward (left colic or splenic flexure) and continues as the descending colon to the brim of the pelvis, where it is continuous with the sigmoid colon and extends to the rectum. See: illustration Function Mechanical: The colon mixes the intestinal contents. Chemical: The colon does not secrete digestive enzymes. The products of bacterial action that are absorbed into the bloodstream are carried by the portal circulation to the liver before they enter the general circulation. More water is absorbed in the colon than in the small intestine. In this way, body fluids are conserved, and despite the large volumes of secretions added to the food during its progress through the alimentary canal, the contents of the colon are gradually dehydrated until they assume the consistency of normal feces or even become quite hard. See: absorption, colon; defecation Bacteria of the colon The normal microbial flora in the colon, some of which may produce vitamins, esp. vitamin K; metabolize proteins and sugars; produce organic acids and ammonia; and deconjugate bile acids. Several conditions, such as use of antibiotics, corticosteroids, or dieting, may alter the normal flora. Although Escherichia coli is the most widely known bacterium that inhabits the colon, it is not the most common, being outnumbered by anaerobic Bacteroides species by a very wide margin. irritable colon Irritable bowel syndrome. sigmoid colon The part of the colon that turns medially at the left iliac crest, between the descending colon and the rectum; shaped like the letter S. spastic colon Irritable bowel syndrome. irritable colon See IRRITABLE BOWEL SYNDROME. Irritable colon An intestinal disorder often accompanied by abdominal pain and diarrhea.Mentioned in: Antigas Agents ir·ri·ta·ble co·lon (iri-tă-bĕl kōlŏn) Tendency to colonic hyperperistalsis. Patient discussion about irritable colon Q. What percentages of fibromyalgia patients have IBS. My cousin with fibromyalgia aka FMS have also been diagnosed with IBS. Is it a usual happening? What percentages of fibromyalgia patients have IBS?A. Irritable bowel syndrome seems to go hand in hand with FMS, similar to the way in which people with fibromyalgia are also found to have depression. A fairly high percentage of individuals with fibromyalgia aka FMS have also been diagnosed with IBS, or irritable bowel syndrome. So how high is the percentage? It is believed that up to 70 to 80 percent of fibromyalgia patients also suffer from IBS, a form of inflammatory bowel disease. Irritable bowel syndrome seems to go hand in hand with FMS, similar to the way in which people with fibromyalgia are also found to have depression. Statistically, of course, those who have both IBS and FMS are overwhelmingly female, just as patients who are diagnosed with depression, fibromyalgia, or irritable bowel syndrome separately, tend more often to be female versus male. More discussions about irritable colon ThesaurusSeecolon
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