Principle of operation of ultrasonography and its use in medicine (lithotrophy)

There are many physical methods (x-rays, y-radiation, light optical systems and etc.), which analyze living organisms’ action mechanisms. Ultrasound is one of the most successful non invasive methods. We can examine internal organs and get complete information about their functions using ultrasound. The paper presents ultrasound around the materials and some of the medical field, the use of its advantages in urology area.