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Symptoms of interstitial cystitis may vary among individuals and may even vary with time in the same individual with this problem. The term cystitis refers to any inflammation of bladder. In contrast to bacterial cystitis that results from an infection in the bladder, no infectious organism has were identified in people with interstitial cystitis. Interstitial cystitis is diagnosed when the symptoms occur without evidence for another cause of symptoms.
Overview of urinary function
The urinary system consists of two kidneys, ureters, bladder, and urethra. The kidneys are pair of purplish-brown organs, located below the ribs toward the middle of the back. The kidneys remove water and waste from the blood in the form of urine. This way kidneys are keeping a stable balance of salts and other substances in the blood. The kidneys also produce erythropoietin. That is hormone that stimulates the formation of human red blood cells. Narrow tubes called ureters carry urine from the kidneys to the bladder. This is a triangle-shaped, muscular chamber in the lower abdomen. Like a balloon, the bladder’s muscular and elastic walls relax and expand to store urine and contract and flatten when urine is emptied through the urethra. The typical adult bladder can store about 1.5 cups of urine inside. Adults urinate about a quart and a half of urine each day, while the amount of urine varies depending on the fluids and foods a person consumes. The volume formed at night is about half that formed during all day. Normal urine contains fluids, salts and waste products, but it is free of bacteria, viruses and fungi. The tissues of the bladder are isolated from urine and toxic substances. It is done by coating on the inside of the bladder that discourages bacteria from attaching and growing on the bladder Narrow tubes called ureters carry urine from the kidneys to the bladder, which is placed in lower abdomen.