In {TAIL ~ one enablement}, {HEAD ~ electrical leads}, not shown, are attached to the electrodes 24 and 26 and extend in the wall of the sheath 12 
In
In { TAIL ~ one enablement } , { HEAD ~ electrical leads } , not shown , are attached to the electrodes 24 and 26 and extend in the wall of the sheath 12
REL TAIL TAIL TAIL TAIL TAIL TAIL OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH