Urinary System

The urinary system, also known as the renal system or urinary tract, consists of the kidneys, ureters, bladder, and the urethra. The purpose of the urinary system is to eliminate waste from the body, regulate blood volume and blood pressure, control levels of electrolytes and metabolites, and regulate blood pH. 

Abdominal Pain, Age 11 and Younger

Covers possible causes of abdominal pain in children 11 and younger, including stomach flu, urinary tract infection, constipation, and appendicitis. Includes interactive tool to help you decide when to call a doctor. Offers home treatment tips.

Abdominal Pain, Age 12 and Older

Covers symptoms and possible causes of abdominal pain, such as peptic ulcer disease, indigestion, appendicitis, or stomach flu. Includes interactive tool to help you decide when to call a doctor. Offers home treatment tips.

Abdominal Ultrasound

An abdominal ultrasound takes pictures of the organs and other structures in your upper belly. It uses sound waves to show images on a screen. Areas that can be checked include the: Abdominal aorta . This large blood vessel passes down the back of the chest and belly. It supplies blood to the lower part of the body and…

Abdominal X-Ray

An abdominal X-ray is a picture of structures and organs in the belly (abdomen). This includes the stomach, liver, spleen, large and small intestines, and the diaphragm, which is the muscle that separates the chest and belly areas. Often two X-rays will be taken from different positions. If the test is being done to…

Absorbent Products for Urinary Incontinence

Absorbent products are items that absorb urine, such as adult diapers, plastic-coated underwear, pads, or panty liners that attach to underwear. Most commercially available items are disposable (such as Depend or Poise). Some absorbent cloths can be washed and reused. Drip collectors that fit over the penis are also…