The systems and methods advance {TAIL ~ the electrode} to penetrate {HEAD ~ tissue} drawn against the carrier 
The systems and methods advance { TAIL ~ the electrode } to penetrate { HEAD ~ tissue } drawn against the carrier
OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH