However, sham operated animals showed {TAIL ~ little increase} in the expression of {HEAD ~ RHAMM}  
However , sham operated animals showed { TAIL ~ little increase } in the expression of { HEAD ~ RHAMM }
OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD OTH