Further, in these embodiments, {TAIL ~ the agent cartridge} can include a cavity configured to house {HEAD ~ a medical agent} therein 
Further , in these embodiments , { TAIL ~ the agent cartridge } can include a cavity configured to house { HEAD ~ a medical agent } therein
OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH