The histological changes in immunologically tolerant lymphoid tissue.
D000818:Animals; D001365:Axilla; D006084:Graft Rejection; D006824:Hybridization, Genetic; D007108:Immune Tolerance; D008198:Lymph Nodes / Q000473:pathology*; D017710:Lymphocyte Transfusion; D009929:Organ Size; D051381:Rats; D011919:Rats, Inbred Strains; D012867:Skin / Q000473:pathology; D016038:Skin Transplantation; D014184:Transplantation, Homologous