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单词 Vesica urinaria
释义

Vesica urinaria

英语百科

Urinary bladder

Anatomy of the female bladder, showing transitional epithelium as well as part of the wall in a histological cut-out.
Urinary bladder (black butterfly-like shape) and hyperplastic prostate (BPH) visualized by Medical ultrasonography technique.
A diverticulum of the bladder

The urinary bladder is a hollow muscular organ that collects urine from the kidneys before disposal by urination. A hollow muscular, and distensible (or elastic) organ, the bladder sits on the pelvic floor. Urine enters the bladder via the ureters and exits via the urethra. There is no exact measurement for the volume of the human bladder, but different sources mention 500 mL (~17 oz) to 1000 mL (~34 oz).

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