blood group antigen

(redirected from blood group substance)

blood group an·ti·gen

generic term for any inherited antigen found on the surface of erythrocytes that determines a blood grouping reaction with specific antiserum; antigens of the ABO and Lewis blood groups may be found also in saliva and other body fluids; the genes controlling development of blood group antigens vary in frequency in different population and ethnic groups. See also Blood Groups Appendix.

blood group an·ti·gen

(blŭd grūp an'ti-jen)
Generic term for any inherited antigen found on the surface of erythrocytes that determines a blood grouping reaction with specific antiserum; antigens of the ABO and Lewisblood groups may be found also in saliva and other body fluids.