MICROANATOMY

Detailed explanation-1: -Micturition is the process in which urine is expelled from the urinary bladder through the urethra by relaxation of the sphincter muscles, located at the opening of the urinary bladder, into urethra under impulse from the nervous system.

Detailed explanation-2: -The primary function of the detrusor muscle is to contract during urination to push the urine out of the bladder and into the urethra. The detrusor muscle will relax to allow the storage of urine in the urinary bladder.