抗こう原げん決けっ定てい基きこうげんけっていきMeanings1nounantigenic determinant; epitopeTechnical term in immunology; the specific part of an antigen recognized by an antibody or T-cell receptor.抗こう原げん決けっ定てい基きは抗こう体たいが結けつ合ごうする抗こう原げんの一いち部