Subunits of the antigenic determinant that are most easily recognized by the immune system and thus most influence the specificity of the induced antibody.
The property of antibodies which enables them to react with some antigenic determinants and not with others. Specificity is dependent on chemical composition, physical forces, ...
Subunits of the antigenic determinant that are most easily recognized by the immune system and thus most influence the specificity of the induced antibody.