Question

what is altrasonography

Answer 1

Medical ultrasound (also known as diagnostic sonography orultrasonography) is a diagnostic imaging technique based on the application of ultrasound. ... Ultrasonic images, also known as sonograms, are made by sending pulses of ultrasound into tissue using a probe.

Answer 2

It's a technique using echoes of ultrasound pulses to delineate objects or areas of different density in the body.