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 <WSD>views</WSD> of the neck , as shown in Fig. 7 , as well as many other hitherto impossible insights . 
Meaning of the word marked with <WSD> tags:  graphic art consisting of the graphic or photographic representation of a visual percept