the cells that are responsible for the immune response are 1 ) families of thymic-derived lymphocytes , or t-cells , ( `` '' memory , '' '' `` '' effector '' '' , `` '' helper '' '' or `` '' suppressor '' '' t-cells ) , and 2 ) bursal-derived lymphocytes , or b-cells , which on specific sensitization become either plasma cells that produce cytotoxic or blocking antibody or macrophages ( a-cells ) that process antigen , and may become `` '' armed '' '' with cytophilic antibody .
C0301872
immune response
C0003320
process