Detrusor muscle
Detrusor Muscle
The Detrusor Muscle (pronounced: deh-TROO-sor MUH-suhl) is a layer of the urinary bladder wall made of smooth muscle fibers arranged in longitudinal and circular bundles.
Etymology
The term "Detrusor" is derived from the Latin word "detrudere", which means "to thrust down". This is in reference to the muscle's function of pushing urine down from the bladder during urination.
Function
The primary function of the Detrusor Muscle is to contract during the process of urination, thereby expelling urine from the bladder. It also relaxes to allow the bladder to fill with urine.
Related Terms
- Urinary Bladder: The organ that collects urine excreted by the kidneys before disposal by urination.
- Urethra: The duct by which urine is conveyed out of the body from the bladder.
- Micturition: The process of emptying the bladder.
- Urinary Incontinence: Involuntary leakage of urine due to loss of control over the detrusor muscle.
- Urinary Retention: The inability to completely empty the bladder, often due to issues with the detrusor muscle.
Disorders
Disorders of the detrusor muscle can lead to a variety of urinary conditions, including Overactive Bladder Syndrome, Urinary Incontinence, and Urinary Retention. Treatment for these conditions often involves medications that affect the detrusor muscle's ability to contract and relax.
External links
- Medical encyclopedia article on Detrusor muscle
- Wikipedia's article - Detrusor muscle
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