The source electrode of {HEAD ~ the nMOS} 115 is connected to {TAIL ~ the ground} GND 
The source electrode of { HEAD ~ the nMOS } 115 is connected to { TAIL ~ the ground } GND
OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL OTH