{HEAD ~ An end} of each extension tube 34 and 36 opposite the hub 32 supports {TAIL ~ a connector}, e.g., luer connector 40 
supports
{ HEAD ~ An end } of each extension tube 34 and 36 opposite the hub 32 supports { TAIL ~ a connector } , e.g. , luer connector 40
HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH REL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH