Medicine: The Regenerating Bladder

For years, doctors have known that the urinary bladder, more than any other organ in the human body, possesses remarkable powers of regeneration, e.g., after removal of a diseased section, the bladder grows right over the incision to become intact. But until recently doctors did not know how to take complete advantage of this unique power.

Compared with other more complex organs, the bladder has a relatively simple structure and function. It is a remarkably elastic, muscular sac lying in the pelvic cavity. It receives urine from the kidneys through two slender tubes called ureters, expands to pint or even quart size...

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