urinary bladder


: a membranous sac in many vertebrates that serves for the temporary retention of urine and discharges by the urethra

Example Sentences

Recent Examples on the Web Eleven of the 19 most-common cancers found in men — including lung and bronchus, stomach, urinary bladder, kidney and larynx cancers — decreased in mortality between 2015 and 2019. Ashley R. Williams, USA TODAY, 28 Oct. 2022 If really short, there are abnormalities of the spinal column that affect nerves going to the urinary bladder and sometimes the rectum. Cathy M. Rosenthal, ExpressNews.com, 8 Nov. 2019 The prostate is located in the male pelvis below the urinary bladder. Lee Roop, AL.com, 15 Dec. 2017 At age 82, in 1787, Franklin began experiencing acute abdominal pain, thought to be caused by a urinary bladder stone, according to an American Philosophical Society record. Philly.com, 8 Oct. 2017

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'urinary bladder.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

Word History

First Known Use

1728, in the meaning defined above

Time Traveler
The first known use of urinary bladder was in 1728

Dictionary Entries Near urinary bladder

Cite this Entry

“Urinary bladder.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/urinary%20bladder. Accessed 7 Dec. 2022.

Medical Definition

urinary bladder

: a distensible membranous sac that serves for the temporary retention of the urine, is situated in the pelvis in front of the rectum, receives the urine from the two ureters and discharges it at intervals into the urethra through an orifice closed by a sphincter, is lined with transitional hypoblastic epithelium, and develops from the proximal part of the allantois of the embryo

More from Merriam-Webster on urinary bladder

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