{HEAD ~ A plurality} of annular grooves are formed in {TAIL ~ the inside wall} of the cylinder, adjacent the end opposite the needle end of the cylinder 
are formed in
{ HEAD ~ A plurality } of annular grooves are formed in { TAIL ~ the inside wall } of the cylinder , adjacent the end opposite the needle end of the cylinder
HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH REL REL REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH