Pathology of ulcerative colitis.
D001706:Biopsy; D001773:Blood Cells; D003093:Colitis, Ulcerative / Q000175:diagnosis / Q000473:pathology*; D003967:Diarrhea / Q000209:etiology; D004804:Eosinophils; D006470:Hemorrhage; D006801:Humans; D007082:Ileum / Q000601:surgery; D007413:Intestinal Mucosa / Q000473:pathology; D008214:Lymphocytes; D011230:Precancerous Conditions / Q000175:diagnosis; D012007:Rectum / Q000473:pathology / Q000601:surgery