An antibody targeted to {TAIL ~ an antigen} is brought into {HEAD ~ contact} with a body component in situ 
An antibody targeted to { TAIL ~ an antigen } is brought into { HEAD ~ contact } with a body component in situ
OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH