{HEAD ~ The ultrasonic waves} are conducted into {TAIL ~ a patients body} through the acoustic transmitter such as water 
{ HEAD ~ The ultrasonic waves } are conducted into { TAIL ~ a patients body } through the acoustic transmitter such as water
HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL REL REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH