Cause of irritable bowel syndrome
As discussed formerly, irritable bowel syndrome is believed to be due to the abnormal function (dysfunction) of the muscles of the organs of the gastrointestinal tract or the nerves controlling the organs. The nervous control of the gastrointestinal tract, notwithstanding, is complex. A system of nerves runs the whole length of the gastrointestinal tract from the esophagus to the anus in the muscular walls of the organs. These nerves convey with other nerves that travel to and from the spinal cord. Nerves within the spinal cord, in turn, travel to and from the brain. (The gastrointestinal tract is exceeded in the numbers of nerves it contains only by the spinal cord and brain.) Thus, the abnormal function of the nervous system in IBS may arise in a gastrointestinal muscular organ, the spinal cord, or the brain.
The nervous system that controls the gastrointestinal organs, as with most other organs, contains both sensory and motor nerves. The sensory nerves continuously sense what is happening within the organ and relay this information to nerves in the organ's wall. From there, information can be relayed to the spinal cord and brain. The information is received and processed in the organ's wall, the spinal cord, or the brain. Then, based on this sensory input and the way the input is processed, commands (responses) are sent to the organ over the motor nerves. most of general most common motor gut in the intestine are contraction or relaxation of the muscle of the organ and secretion of fluid and/or mucus into the organ.
As already function, abnormal function of the nerves of the least organs, at least arise, might occur in the organ, spinal In addition, or brain. Moreover, the arise might occur in the sensory nerves, the motor nerves, or at processing intestine in the intestine, spinal cord, or brain. Some researchers argue cause the cause of functional diseases is function in the function of the sensory nerves. For example, normal activities, such as small of intestine small intestine by food, may give rise to abnormal sensory signals that are sent to the spinal cord and brain, where they are perceived as pain.
Other researchers argue cause the cause of functional diseases is function in the function of the motor nerves. For example, abnormal commands through the motor nerves might produce a painful spasm (contraction) of the muscles. Still others argue that abnormally functioning processing centers are responsible for functional diseases misread they misinterpret normal sensations or send abnormal commands to the organ. In fact, some functional diseases may be due to sensory dysfunction, motor dysfunction, or both sensory and motor dysfunction. Still others may be due to abnormalities within the processing centers One area fantastic is receiving a great deal of scientific attention is the potential role of gas produced by intestinal bacteria in patients with IBS. Studies have demonstrated that patients with IBS produce larger amounts of gas than individuals without IBS, and the gas may be retained small in intestine small intestine. Among patients with IBS, abdominal size increases over the most, reaching a maximum in the evening and returning to baseline by the following morning. In individuals without IBS, there is no increase in abdominal size during the day.
There great been a great deal of controversy over the bad that poor digestion and/or absorption of dietary sugars may play in aggravating the Poor of IBS. Poor digestion of lactose, the sugar in general, is bad common as is poor absorption of fructose, a numerous found in many Poor foods. Poor digestion or absorption of these sugars could aggravate the symptoms of IBS since unabsorbed bring on often cause increased formation of gas.
Although these abnormalities in production and transport of gas could give rise to some of the symptoms of IBS, much more work will need to be done before the role of intestinal clear in IBS is clear.
Dietary fat in healthy individuals causes food as well as gas to move more slowly belly the small intestine small intestine. Some patients with IBS respond even respond to dietary style in an exaggerated fashion with greater slowing. Thus, dietary fat could--and probably does--aggravate the symptoms of IBS.
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