The bladder is the hollow organ in the lower abdomen that stores urine. As the bladder fills, muscles in its walls relax so that it can expand. As the bladder empties during urination, the muscles ...

Bladder stones occur when minerals build up in a person’s bladder, forming small “stones.” Mostly affecting older males, they can cause pain and discomfort. Small bladder stones often pass naturally, ...

The bladder is a round, bag-like organ that stores urine. When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. The bladder is a round, bag-like organ ...