The triangular region of the urinary bladder that is bounded by the exits of the ureters and the entrance to the urethra.

The most sensitive area on the inside (wall) of the bladder, where bladder nerves are most highly concentrated.

(Lateral ventricle)The triangular area between the temporal and occipital horns at the junction with the body of the lateral ventricle. image

triangular area at the base of the bladder, where the ureters enter the bladder and the bladder opens into the urethra.

An almost triangular part of the bladder contained by the ureters and urethra.

Base of the bladder,near the bladder neck where ureters enter, it is the most sensitive area of the bladder.

A sensitive area in the bladder, defined as the area bounded by the two ureteral orifices and the bladder neck.

a triangular area at the base of the bladder marked by the ureter openings at the posterior corners and the opening of urethra at the anterior corner

a muscle structure, triangular in shape, at the head of the bladder that seals the ureters during urination so that urine will not reenter the kidneys. Problems of this area can cause reflux of urine from the bladder back into the kidneys and can cause urinary infection