In accordance with this object, means are provided adjacent {HEAD ~ the valve opening} for deflecting {TAIL ~ serum} or plasma passing therethrough 
for deflecting
In accordance with this object , means are provided adjacent { HEAD ~ the valve opening } for deflecting { TAIL ~ serum } or plasma passing therethrough
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL REL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH