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Urinary Bladder - Anatomy & Physiology (view source)
Revision as of 10:40, 8 September 2008
, 10:40, 8 September 2008no edit summary
==Anatomy==
==Anatomy==
[[Image:bladhistoanat1.jpg|right|thumb|300px|<small><center>Histology cross section of a normal guinea pig bladder (© RVC 2008)</center></small>]]
[[Image:bladhistoanat1.jpg|right|thumb|275px|<small><center>Histology cross section of a normal guinea pig bladder (© RVC 2008)</center></small>]]
[[Image:bladhistoanat2.jpg|right|thumb|300px|<small><center>Histology cross section of a normal guinea pig bladder (© RVC 2008)</center></small>]]
[[Image:bladhistoanat2.jpg|right|thumb|275px|<small><center>Histology cross section of a normal guinea pig bladder (© RVC 2008)</center></small>]]
* It is a hollow, muscular organ
* It is a hollow, muscular organ
* It is divided for descriptive purposes into three parts
* It is divided for descriptive purposes into three parts
==Muscles of the Bladder==
==Muscles of the Bladder==
[[Image:sumlutshcemtri.jpg|right|thumb|300px|<small><center>A schematic overview of the lower urinary tract showing the innervation and muscles of the bladder</center></small>]]
[[Image:sumlutshcemtri.jpg|right|thumb|275px|<small><center>A schematic overview of the lower urinary tract showing the innervation and muscles of the bladder</center></small>]]
The three muscular components of the bladder described below play a pivotal part in the [[Process of Micturition | micturition reflex.]]
The three muscular components of the bladder described below play a pivotal part in the [[Process of Micturition | micturition reflex.]]
==Blood Supply, Innervation and Lymphatic Drainage==
==Blood Supply, Innervation and Lymphatic Drainage==
[[Image:sumbsbladurtri.jpg|right|thumb|300px|<small><center>A schematic overview of the blood supply to the bladder and urethra</center></small>]]
[[Image:sumbsbladurtri.jpg|right|thumb|275px|<small><center>A schematic overview of the blood supply to the bladder and urethra</center></small>]]
===Blood Supply===
===Blood Supply===
The bladder is supplied by cranial and a caudal vesical arteries.
The bladder is supplied by cranial and a caudal vesical arteries.