Padua is the economic and communications rival of Florence.
Uroscopy is the historic medical practice of visually examining a patient 's urine for pus , blood , or other symptoms of disease .. urine. urine. pus. pus. blood. blood. It dates back to ancient Egypt , Babylon , and India .. Egypt. Egypt. Babylon. Babylon. India. India. It was particularly emphasized in Byzantine medicine .. Byzantine medicine. Byzantine medicine. By modern medical standards , uroscopy is considered to be a very limited means of obtaining evidence for the correct diagnosis of a patient 's condition .. In addition , many of the assumptions made by ancient physicians regarding uroscopy have proved to be quite incorrect and unscientific .. However , visual examination of a patient 's urine may provide preliminary evidence for a diagnosis , but is generally limited to conditions that affect the urinary system such as infection turbidity or blood infection or haemorrhage .. urine. urine. blood. blood. urinary system. urinary system. infection. infection. turbidity. turbidity. haemorrhage. haemorrhage