ultrasonography
A procedure in which sound waves (called ultrasound) are bounced off tissues. A computer uses the echoes to create a picture, called a sonogram.
Read more about ultrasonography.
Audio contributed by: Lily Tomlin
A procedure in which sound waves (called ultrasound) are bounced off tissues. A computer uses the echoes to create a picture, called a sonogram.
Read more about ultrasonography.
Audio contributed by: Lily Tomlin