What is Trigone bladder?

The trigone is a triangular portion of the bladder floor bordered (ventrally) by the internal urethral opening or bladder neck and (dorsolaterally) by the orifices of the right ureter and left ureter.

Which ligament support the urinary bladder?

Umbilical ligaments Median umbilical ligament: it is a continuation of the apex and ends to the umbilicus and is the remnant of the embryonic urachus. Lateral umbilical ligaments: they are remnants of embryonic umbilical arteries and ascend from the body of the bladder to the umbilicus.

What is bladder neck obstruction?

Primary bladder neck obstruction (PBNO) is a condition in which the bladder neck fails to open adequately during voiding, resulting in increased striated sphincter activity or obstruction of urinary flow in the absence of another anatomic obstruction.

Why is trigone medically important?

The signals become stronger as the bladder continues to fill. Embryologically, the trigone of the bladder is derived from the caudal end of mesonephric ducts, which is of mesodermal origin (the rest of the bladder is endodermal)….

Why is the trigone of bladder important?

Trigone. The trigone is a triangular muscular structure located between the bladder and urethra. Effective connection between the ureters and the trigone are vital for proper functioning of the ureteral valve mechanism.

What does a bladder obstruction feel like?

Symptoms can include pain in the side, decreased or increased urine flow, and urinating at night. Symptoms are more common if the blockage is sudden and complete. Testing can include insertion of a urethral catheter, insertion of a viewing tube into the urethra, and imaging tests.

Why does my pee hole feel clogged?

Causes of obstructive uropathy Temporary or permanent blockages in your ureter or urethra, through which urine exits your body, can result from: injuries such as a pelvic fracture. tumor mass that spreads to your kidneys, bladder, uterus, or colon. diseases of the digestive tract.

What is Marion disease?

Obstruction of the outlet of the bladder caused by enlargement of the muscle cells in the neck of the bladder. J. B. C. G. Marion (1869–1960), French surgeon.

How do you fix bladder obstruction in neck?

Alpha-blocker drug therapy is usually the first step in treating bladder neck obstruction. Alpha-blockers, such as prazosin or phenoxybenzamine, can help to relax the bladder muscles. In some cases, self-catheterization will need to be used along with alpha-blocker medications.