The urinary tract, or system, consists of the kidneys, ureters, bladder, and urethra. The kidneys are two bean-shaped organs located below the ribs toward the middle of the back. They remove extra water and wastes from the blood, converting it to urine. They also keep a stable balance of salts and other substances in the blood. The kidneys produce hormones that help build strong bones and help form red blood cells. Narrow tubes called ureter carry urine from the kidneys to the bladder, an oval-shaped chamber in the lower abdomen. Like a balloon, the bladder's elastic walls stretch and expand to store urine. They flatten together when urine is emptied through the urethra to outside the body.
One in every 20 people develops a kidney stone at some point in their life. A kidney stone is a hard mineral and crystalline material formed within the kidney or urinary tract.
What is Renal Calculi (kidney stone)?
Kidney stones are one of the most common disorders of the urinary tract. In the year 2000, patients made 2.7 million visits to health care providers and more than 600,000 patients went to emergency rooms for kidney stone problems. Men tend to be affected more frequently than women. The function of the kidneys (Renal) is to remove waste products and unwanted water from the blood, in the form of urine. If there is too much of certain waste products in the urine, these substances form crystals. Crystals can then combine to form stones.
A kidney stone is a hard mass developed from crystals that separate from the urine and build up on the inner surfaces of the kidney. Normally, urine contains chemicals that prevent or inhibit the crystals from forming. These inhibitors do not seem to work for everyone, however, so some people form stones. If the crystals remain tiny enough, they will travel through the urinary tract and pass out of the body in the urine without being noticed. However, when they pass down the ureter on their way to the bladder, pain usually occurs with anything but the smallest stone. If a stone gets stuck on its way down the ureter, pain usually occurs in the form of renal colic. The pain comes and goes in waves. Blood may be passed as well, due to the irritation of the lining of the ureter by the sharp-edged stone.
Urolithiasis is the medical term used to describe stones occurring in the urinary tract. Other frequently used terms are urinary tract stone disease and nephrolithiasis. Doctors also use terms that describe the location of the stone in the urinary tract. For example, a ureteral stone (or ureterolithiasis) is a kidney stone found in the ureter. To keep things simple, however, the term "kidney stones" is used throughout this fact sheet.
One in every 20 people develops a kidney stone at some point in their life. A kidney stone is a hard mineral and crystalline material formed within the kidney or urinary tract.
What is Renal Calculi (kidney stone)?
Kidney stones are one of the most common disorders of the urinary tract. In the year 2000, patients made 2.7 million visits to health care providers and more than 600,000 patients went to emergency rooms for kidney stone problems. Men tend to be affected more frequently than women. The function of the kidneys (Renal) is to remove waste products and unwanted water from the blood, in the form of urine. If there is too much of certain waste products in the urine, these substances form crystals. Crystals can then combine to form stones.
A kidney stone is a hard mass developed from crystals that separate from the urine and build up on the inner surfaces of the kidney. Normally, urine contains chemicals that prevent or inhibit the crystals from forming. These inhibitors do not seem to work for everyone, however, so some people form stones. If the crystals remain tiny enough, they will travel through the urinary tract and pass out of the body in the urine without being noticed. However, when they pass down the ureter on their way to the bladder, pain usually occurs with anything but the smallest stone. If a stone gets stuck on its way down the ureter, pain usually occurs in the form of renal colic. The pain comes and goes in waves. Blood may be passed as well, due to the irritation of the lining of the ureter by the sharp-edged stone.
Urolithiasis is the medical term used to describe stones occurring in the urinary tract. Other frequently used terms are urinary tract stone disease and nephrolithiasis. Doctors also use terms that describe the location of the stone in the urinary tract. For example, a ureteral stone (or ureterolithiasis) is a kidney stone found in the ureter. To keep things simple, however, the term "kidney stones" is used throughout this fact sheet.
For more information on Renal Calculi (Kidney Stones) Treatment, kindly visit :
http://www.aasthahealthcare.com/Renal-Ca
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