The cap includes {HEAD ~ a plurality} of annular ridges which snap fit over corresponding {TAIL ~ annular grooves} formed on the exterior of the syringe cylinder 
The cap includes { HEAD ~ a plurality } of annular ridges which snap fit over corresponding { TAIL ~ annular grooves } formed on the exterior of the syringe cylinder
OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH