Ultrasonography converts sound waves into electrical signals to generate images of organs, which can be displayed on a monitor or printed on film for medical analysis.
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During pregnancy, ultrasonography is used to examine the foetus, detect congenital defects, and monitor growth abnormalities.
Ultrasonography is a technique that uses sound waves converted into electrical signals to generate images of organs, which are then displayed on a monitor or printed on film.
Certain moths have very sensitive hearing equipment that allows them to detect ultrasonic sounds, which can help them evade predators like bats that use ultrasound for echolocation.
Frequencies higher than 20 kHz are called ultrasonic sound or ultrasound. Animals such as dolphins, bats, and porpoises produce these sounds.