title: Ultrastructural aspects of delayed hypersensitivity.
mesh_terms: D000818:Animals; D003877:Dermatitis, Contact / Q000473:pathology; D004285:Dogs; D003875:Drug Eruptions / Q000473:pathology; D006086:Graft vs Host Disease / Q000473:pathology; D006087:Graft vs Host Reaction; D006168:Guinea Pigs; D006241:Haptens / Q000009:adverse effects; D006968:Hypersensitivity, Delayed; D016030:Kidney Transplantation; D007962:Leukocytes; D008214:Lymphocytes; D008221:Lymphoid Tissue / Q000473:pathology; D008264:Macrophages; D008854:Microscopy, Electron; D008858:Microscopy, Phase-Contrast; D010047:Ovalbumin; D010950:Plasma Cells; D011817:Rabbits; D012867:Skin / Q000473:pathology; D016038:Skin Transplantation; D014181:Transplantation Immunology; D014184:Transplantation, Homologous; D014374:Tuberculin Test
chemical_list: D006241:Haptens; D010047:Ovalbumin