Muscular wall of the bladder, which contracts to empty the bladder.

The outer muscle of the bladder wall that assists in urine output.

In the urinary system, the detrusor muscle is the smooth muscle in the wall of the bladder that contracts the bladder and expels the urine. The bladder is often referred to as the detrusor muscle.

Smooth muscle layer of the bladder wall; contraction of the detrusor results in voiding of urine.

The muscle fibres of the bladder are collectively known as the detrusor. Contraction of the detrusor reduces the bladder in length and diameter so that it empties effectively.

The smooth muscle that forms the bladder.

The muscular wall of the bladder.

the muscle in the wall of the bladder, which contracts to squeeze out urine to empty it

The smooth muscle in the wall of the urinary bladder that generates contractions to expel urine.