Urinary bladder - Wikipedia, the free encyclopedia

Urinary bladder - Wikipedia, the free encyclopedia

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日期:2024-10-15
The urinary bladder is the organ that collects urine excreted by the kidneys before disposal by urination. A hollow[1] muscular, and distensible (or elastic) organ, the bladder sits on the pelvic floor. Urine enters the bladder via the ureters and exits v...看更多