{HEAD ~ Shallow trench isolation} partially surrounds {TAIL ~ each transistor} so as to further electrically isolate the source and drain regions from the semiconductor body 
{ HEAD ~ Shallow trench isolation } partially surrounds { TAIL ~ each transistor } so as to further electrically isolate the source and drain regions from the semiconductor body
HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL REL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH