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Trigone of urinary bladder



Trigone of urinary bladder
Urinary bladder
The interior of bladder.
Latin trigonum vesicae urinariae
Gray's subject #255 1231
Dorlands/Elsevier t_19/12823635

The trigone is a smooth triangular region of the internal urinary bladder formed by the two ureteral orifices and the internal urethral orifice.

Additional recommended knowledge

The area is very sensitive to expansion and once stretched to a certain degree, the urinary bladder signals the brain of its need to empty. The signals become stronger as the bladder continues to fill.

Pathology

Clinically important because infections tend to persist in this region.

Additional images

See also

 
This article is licensed under the GNU Free Documentation License. It uses material from the Wikipedia article "Trigone_of_urinary_bladder". A list of authors is available in Wikipedia.
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