MENT PLAN. If you choose to have a lump sum distribution payment that is eligible for rolloverPaid T o You. (1)You will receive only 80% of the taxable portion of the distribution. The Retirement System is required. to withhold the remaining 20% of the taxable portion of the payment to send it to the IRS as income.
Detrusor muscle. The detrusor muscle is a layer of the urinary bladder wall made of smooth muscle fibers arranged in spiral, longitudinal, and circular bundles. When the bladder is stretched, this signals the parasympathetic nervous system to contract the detrusor muscle. This encourages the bladder to expel urine through the urethra.
1 The muscularis is commonly referred to as the detrusor muscle and contracts during urination to expel urine from the body. 2  The muscularis also forms the internal urethral sphincter, a ring of muscle that surrounds the urethral opening and holds urine in the urinary bladde.rine produced by the kidneys flows through the ureters to the urinary bladder, where is it stored before passing into the urethra and exiting the body.