Antibody or antigen corresponding to antigen or antibody to be determined in a sample is bound on {TAIL ~ the outer surfaces} of the cell membranes, which can be lysed by {HEAD ~ the complement} upon activation thereof 
Antibody or antigen corresponding to antigen or antibody to be determined in a sample is bound on { TAIL ~ the outer surfaces } of the cell membranes , which can be lysed by { HEAD ~ the complement } upon activation thereof
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH