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.
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.
Contents |
Pathology
Clinically important because infections tend to persist in this region.
Additional images
- Illu quiz bladder 01.jpg
See also
External links
- trigone+of+bladder at eMedicine Dictionary
- SUNY Labs 44:04-0203 - "The Male Pelvis: The Urinary Bladder"
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