An ultrasound probe includes {TAIL ~ a transducer array} which is moved back and forth to sweep the image plane of {HEAD ~ the array} through a volumetric region for 3D scanning 
An ultrasound probe includes { TAIL ~ a transducer array } which is moved back and forth to sweep the image plane of { HEAD ~ the array } through a volumetric region for 3D scanning
OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH