1. Health

What Is The Bladder?


Updated August 19, 2011

Written or reviewed by a board-certified physician. See About.com's Medical Review Board.

Definition: The bladder is part of the urinary tract system that stores urine until urination. The bladder is a flexible organ that is capable of holding up to 30 ounces of urine. During urination, the bladder releases urine through the urethra, where it leaves the body.
Common Misspellings: blader
Bladder infections are more common in women than in men.

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