{TAIL ~ The plunger} includes a proximal end and {HEAD ~ a distal end} having a first set of annular ridges formed thereon 
{ TAIL ~ The plunger } includes a proximal end and { HEAD ~ a distal end } having a first set of annular ridges formed thereon
TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH