Each of the different methods in {HEAD ~ use} is sensitive to {TAIL ~ some particular aspect} of the structures to be imaged 
Each of the different methods in { HEAD ~ use } is sensitive to { TAIL ~ some particular aspect } of the structures to be imaged
OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH