Surface microscopy of the large bowel.
D001706:Biopsy; D003093:Colitis, Ulcerative / Q000473:pathology*; D003106:Colon / Q000033:anatomy & histology*; D003110:Colonic Neoplasms / Q000473:pathology; D003967:Diarrhea / Q000473:pathology; D006801:Humans; D007413:Intestinal Mucosa / Q000033:anatomy & histology*