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The intestines are a long, continuous tube running from the stomach to the anus. Most absorption of nutrients and water happen in the intestines. The intestines include the small intestine, large intestine, and rectum.
The small intestine (small bowel) is about 20 feet long and about an inch in diameter. Velvety tissue lines the small intestine, which is divided into the duodenum, jejunum, and ileum. The main functions of the small intestine is to absorb most of the nutrients from what we eat and drink that is to complete digestion of food and to absorb nutrients. Concerning absorption, carbohydrates and proteins are absorbed in the duodenum and jejunum respectively. The jejunum also functions to absorb most fats. The ileum function involves absorption of vitamin B12, bile salts and all digestion products which were not absorbed in duodenum and jejunum. All three small intestine segments absorb water and electrolytes.
The large intestine (colon or large bowel) is about 5 feet long and about 3 inches in diameter. The colon absorbs water from wastes, creating stool. As stool enters the rectum, nerves there create the urge to defecate. The large intestine is responsible for several major functions: absorption of electrolytes (sodium, potassium, chloride) and water (1L/day), propulsion of intestinal contents, and the formation, temporary storage and defecation of feces. The large intestine houses the physiological microflora, which is rich in anaerobic bacteria (approx. 1011/g) that live in symbiosis with the human body. They fulfill essential functions such as decomposing indigestible food ingredients (e.g. cellulose), producing vitamin K, promoting intestinal peristalsis and supporting the immune system.
NOTE: Above More accurate treatment cost estimates can be provided if medical reports are emailed to us or after the patient is examined by doctors after arrival at hospital in India and medical tests are done after admission.
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