The detrusor muscle remains relaxed while the bladder stores urine. During urination, the detrusor contracts while the urethral sphincters relax to release urine through the urethra.

The detrusor smooth muscle is the main muscle component of the urinary bladder wall. Its ability to contract over a large length interval and to relax determines the bladder function during filling and …

The detrusor muscle is the primary muscle responsible for controlling the storage and expulsion of urine in the body. It functions as the engine of urination, ensuring that the urinary bladder can …

Jul 19, 2025 · The detrusor is a layer of smooth muscle that constitutes the main component of the urinary bladder wall. Its fundamental purpose is to facilitate the storage and subsequent expulsion of …

The detrusor muscle is the smooth muscle layer of the urinary bladder wall responsible for contracting during micturition to expel urine. It is essential for both bladder filling and emptying phases, playing a …

Nov 9, 2025 · The detrusor muscle, a layer of smooth muscle in the bladder wall, plays a pivotal role in urinary continence. When this muscle relaxes, the bladder expands to accommodate urine without …

Detrusor muscle dysfunction manifests as urinary incontinence, retention, or both conditions simultaneously. When left untreated, these abnormalities can progress to upper urinary tract failure.

Nov 6, 2025 · Musculature The musculature of the bladder plays a key role in the storage and emptying of urine. In order to contract during micturition, the bladder wall contains specialised smooth muscle …

Aug 8, 2023 · The walls of the bladder are mainly formed by detrusor muscle, which allows the bladder to contract to excrete urine or relax to hold urine. At the inferior end of the bladder, the detrusor …

The smooth muscle of the urinary bladder is the detrusor muscle and during the process of urination, it facilitates the bladder wall contraction. One component of the bladder wall is the detrusor muscle.