The urinary system consists of the kidneys, ureters, urinary bladder, and urethra. Cystoscopy is endoscopy of the urinary bladder via the urethra. The urinary system consists of the kidneys, ureters, bladder, and urethra. A UTI affects parts of the urinary system including the urethra, bladder, and kidneys. Other complications include bladder and bowel injuries. The micturition reflex normally produces a series of contractions of the urinary bladder. Loss of bowel or bladder control may occur during a seizure. It is located in front of and below the urinary bladder. Amphibians possess a pancreas, liver and gall bladder. The vagina is located between the bladder and the rectum. It is associated with a small increase in bladder and colon cancer. Botulinum toxin appears to be effective for refractory overactive bladder. He had a single normal bladder and ureter. The cause of overactive bladder is unknown. This is due to neuropathy of the bladder sphincter.