title: THE ONSET OF IMMUNOLOGICAL COMPETENCE IN THE CHICKEN.
mesh_terms: D000818:Animals; D000937:Antigen-Antibody Reactions; D002642:Chick Embryo; D002645:Chickens; D007108:Immune Tolerance; D007121:Immunocompetence; D008214:Lymphocytes; D008221:Lymphoid Tissue; D012106:Research; D016038:Skin Transplantation; D013154:Spleen; D013163:Splenomegaly; D014181:Transplantation Immunology
keywords: ANTIGEN-ANTIBODY REACTIONS; CHICK EMBRYO; EXPERIMENTAL LAB STUDY; IMMUNE TOLERANCE; LYMPHOCYTES; LYMPHOID TISSUE; SKIN TRANSPLANTATION; SPLEEN; SPLENOMEGALY; TRANSPLANTATION IMMUNOLOGY