Trigone

Looks like

A smooth triangle on the bladder floor between the two ureter openings and the urethra.

What it does

Guides urine out and helps stop it flowing back up the ureters.

Keeping it well

Irritated by infection and stones; blood in the urine always needs checking.

Related conditions

• Bedwetting (nocturnal enuresis)
• Benign prostatic hyperplasia
• Bladder cancer
• Bone metastases and spinal cord compression
• Interstitial cystitis (bladder pain syndrome)
• Intestinal worms & schistosomiasis
• Neurogenic bladder
• Obstructed labour and obstetric fistula
• Pelvic organ prolapse
• Urinary incontinence
• Urinary tract infection
• Vesicoureteral reflux