(from Latin, micturire: urination) Micturition—the passage of urine—is unusual from a neural control perspective: it involves involuntary reflexes (see REFLEX) mediated by the AUTONOMIC NERVOUS SYSTEM. PARASYMPATHETIC systems, activated by...

Urination, also known as micturition, voiding, and, more rarely, emiction, is the process of disposing urine from the urinary bladder through the urethra to the outside of the body. In healthy adults, the process of urination is under voluntary control;...