is a smooth triangular region of the internal urinary bladder
formed by the two ureteral orifices
and the internal urethral orifice
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.
Clinically important because infections
) tend to persist in this region.
- - "The Male Pelvis: The Urinary Bladder"