Cellular hypersensitivity to intestinal mucosa components in ulcerative colitis and Chrohn's disease.
D003093:Colitis, Ulcerative / Q000276:immunology*; D003424:Crohn Disease / Q000276:immunology*; D006801:Humans; D007111:Immunity, Cellular; D007413:Intestinal Mucosa / Q000276:immunology*; D007962:Leukocytes / Q000276:immunology