a substance similar to an antigen [n HAPTENS] : HAPTENIC [adj]
a small separable part of an antigen that reacts specifically with an antibody but is incapable of stimulating antibody production except in combination with a carrier protein molecule
substance having a single antigenic determinant that can react with a previously existing antibody but cannot stimulate more antibody production unless combined with other molecules; partial antigen
a substance similar to an antigen, also HAPTENE [n -S]