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urinary bladder

American  

noun

Anatomy, Zoology.
  1. a distensible, muscular and membranous sac, in which the urine is retained until it is discharged from the body.


urinary bladder British  

noun

  1. a distensible membranous sac in which the urine excreted from the kidneys is stored

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

urinary bladder Cultural  
  1. A saclike structure that stores urine until it can be passed out of the body through the urethra.


Etymology

Origin of urinary bladder

First recorded in 1720–30