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urinary bladder

noun, Anatomy, Zoology
1.
a distensible, muscular and membranous sac, in which the urine is retained until it is discharged from the body.
Also called bladder.
Origin
1720-1730
1720-30
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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Examples from the web for urinary bladder
  • The wall of the urinary bladder is built in such a way that there are several layers of cells.
  • The urine is collected in the urinary bladder and, when it fills up, it is excreted via urethra into the outside environment.
  • The ureters are the two tubes which convey the urine from the kidneys to the urinary bladder.
  • Cystoscopy is a procedure that uses a flexible fiber optic scope, which is inserted through the urethra into the urinary bladder.
  • Urine flows from the kidney through the ureters into the urinary bladder where it is temporarily stored.
  • The urinary bladder is a temporary storage reservoir for urine.
British Dictionary definitions for urinary bladder

urinary bladder

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
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urinary bladder in Medicine

urinary bladder n.
A musculomembranous elastic receptacle in the anterior part of the pelvic cavity serving as the temporary storage place for urine.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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urinary bladder in Culture

urinary bladder definition


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

The American Heritage® New Dictionary of Cultural Literacy, Third Edition
Copyright © 2005 by Houghton Mifflin Company.
Published by Houghton Mifflin Company. All rights reserved.
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Encyclopedia Article for urinary bladder

in most vertebrates, except birds, organ for the temporary storage of urine from the kidneys, connected to the kidneys by means of tubular structures called ureters. A urinary bladder is present in fish as an expansible part of the urinary duct, in amphibians and bladder-possessing reptiles (Sphenodon, turtles, most lizards) as a pocket in the cloaca. In mammals it is a greatly expandible muscular sac. The bladder of an average adult human is uncomfortably distended at a volume of around 350 millilitres (13 quart) of urine.

Learn more about urinary bladder with a free trial on Britannica.com
Encyclopedia Britannica, 2008. Encyclopedia Britannica Online.
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