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