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