an image data storage component operable to store {HEAD ~ image data} of {TAIL ~ medical images}, 
of
an image data storage component operable to store { HEAD ~ image data } of { TAIL ~ medical images } ,
OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL OTH