Definition : The visualization of deep structures of the body by recording the reflections of echoes
of pulses of ultrasonic waves directed into the tissues. Use of ultrasound for imaging
or diagnostic purposes employs frequencies ranging from 1.6 to 10 megahertz. [MeSH];
The visualization of deep structures of the body by recording the reflections of echoes
of pulses of ultrasonic waves directed into the tissues. Use of ultrasound for imaging
or diagnostic purposes employs frequencies ranging from 1.6 to 10 megahertz. [MeSH]