Sentence:  By submerging the patient in a tub and rotating the transducer while the scanning goes on , they have been able to get cross-section views of the <WSD>neck</WSD> , as shown in Fig. 7 , as well as many other hitherto impossible insights . 
Meaning of the word marked with <WSD> tags:  the part of an organism (human or animal) that connects the head to the rest of the body