Thus, combining the plurality of {HEAD ~ monochrome images} into {TAIL ~ a single composite image} having pixels of varying hue, saturation and intensity based on the intensity of the original gray tone images and on the assigned monochrome colors forms the composite image having semi natural anatomic appearance 
into
Thus , combining the plurality of { HEAD ~ monochrome images } into { TAIL ~ a single composite image } having pixels of varying hue , saturation and intensity based on the intensity of the original gray tone images and on the assigned monochrome colors forms the composite image having semi natural anatomic appearance
OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH