Urology is a branch of medicine that focuses on medical conditions of the male and female urinary tract systems. The urologist is a medical professional that specializes in the urinary system. In ancient times, doctors used to examine the urine of a patient for clues about their illness Urology, also known as genitourinary surgery, is the branch of medicine that focuses on surgical and medical diseases of the urinary-tract system and the reproductive organs. Organs under the domain of urology include the kidneys, adrenal glands, ureters, urinary bladder, urethra, and the male reproductive organs.