Editing Bladder (section)

{{Short description|Organ in vertebrates that collects and stores urine from the kidneys before disposal}}
{{About|urinary bladders}}
{{Infobox anatomy
| Name        = Bladder
| Latin       = vesica urinaria
| Image       = Urinary_system.svg
| Caption     = 1. ''Human [[urinary system]]:'' 2. [[Kidney]], 3. [[Renal pelvis]], 4. [[Ureter]], '''5'''. '''Bladder''', 6. [[Urethra]]. (Left side with [[Frontal plane#Planes|frontal section]])<br /> 7. [[Adrenal gland]]<br /> ''Vessels:'' 8. [[Renal artery]] and [[Renal vein|vein]], 9. [[Inferior vena cava]], 10. [[Abdominal aorta]], 11. [[Common iliac artery]] and [[Common iliac vein|vein]]<br /> ''With transparency:'' 12. [[Liver]], 13. [[Large intestine]], 14. [[Pelvis]]
| Width       = 300
| Image2      = 
| Caption2    = 
| Precursor   = [[Urogenital sinus]]
| System      = [[Urinary system]]
| Artery      = [[Superior vesical artery]]<br />[[inferior vesical artery]]<br />[[umbilical artery]]<br />[[vaginal artery]], [[internal pudendal artery]], [[deep external pudendal artery]]
| Vein        = [[Vesical venous plexus]]
| Nerve       = [[Vesical nervous plexus]], [[pudendal nerve]]
| Lymph       =Preaortic lymph nodes 
}}

The '''bladder''' ({{Etymology|ang|blædre|bladder, [[blister]], [[pimple]]}}) is a [[hollow organ]] in [[human]]s and other [[vertebrate]]s that stores [[urine]] from the [[Kidney (vertebrates)|kidneys]]. In [[placental mammals]], urine enters the bladder via the [[ureter]]s and exits via the [[urethra]] during [[urination]].<ref name="Wake1992">{{cite book|author=Marvalee H. Wake|title=Hyman's Comparative Vertebrate Anatomy|url=https://books.google.com/books?id=VKlWjdOkiMwC&pg=PA583|access-date=6 May 2013|date=15 September 1992|publisher=University of Chicago Press|isbn=978-0-226-87013-7|pages=583}}</ref><ref>{{Cite journal |last=Brading |first=Alison F. |date=January 1999 |title=The physiology of the mammalian urinary outflow tract |url=https://physoc.onlinelibrary.wiley.com/doi/10.1111/j.1469-445X.1999.tb00084.x |journal=Experimental Physiology |language=en |volume=84 |issue=1 |pages=215–221 |doi=10.1111/j.1469-445X.1999.tb00084.x |pmid=10081719 |issn=0958-0670}}</ref> In humans, the bladder is a distensible organ that sits on the [[pelvic floor]]. The typical adult human bladder will hold between 300 and {{nowrap|500 ml}} (10 and {{nowrap|17 fl oz}}) before the urge to empty occurs, but can hold considerably more.<ref name="medphys">{{cite book|last1=Boron|first1=Walter F.|last2=Boulpaep|first2=Emile L.|title=Medical Physiology|date=2016|publisher=Elsevier Health Sciences|isbn=9781455733286|page=738|url=https://books.google.com/books?id=6QzhCwAAQBAJ&pg=PA738|access-date=1 June 2016}}</ref><ref name="Cardozo99">{{cite book|last1=Walker-Smith|first1=John|last2=Murch|first2=Simon|editor1-last=Cardozo|editor1-first=Linda|title=Diseases of the Small Intestine in Childhood|date=1999|publisher=CRC Press|isbn=9781901865059|page=16|edition=4|url=https://books.google.com/books?id=EMMUyiKOOiEC&pg=PA16|access-date=1 June 2016}}</ref>

The Latin phrase for "urinary bladder" is ''vesica urinaria'', and the term ''vesical'' or prefix ''vesico-'' appear in connection with associated structures such as [[vesical veins]]. The modern Latin word for "bladder" – ''cystis'' – appears in associated terms such as [[cystitis]] (inflammation of the bladder).