Mucosal biopsy of the rectum, colon, and distal ileum.
D000686:Amyloidosis / Q000473:pathology; D000900:Anti-Bacterial Agents / Q000009:adverse effects; D001165:Arteriovenous Malformations / Q000473:pathology; D001706:Biopsy; D003092:Colitis / Q000209:etiology / Q000473:pathology; D003093:Colitis, Ulcerative / Q000473:pathology; D003106:Colon / Q000473:pathology*; D003125:Colostomy / Q000009:adverse effects; D003424:Crohn Disease / Q000473:pathology; D003550:Cystic Fibrosis / Q000473:pathology; D004238:Diverticulitis / Q000473:pathology; D004761:Enterocolitis, Pseudomembranous / Q000139:chemically induced; D005770:Gastrointestinal Neoplasms / Q000473:pathology; D006627:Hirschsprung Disease / Q000473:pathology; D006801:Humans; D007082:Ileum / Q000473:pathology*; D007413:Intestinal Mucosa / Q000473:pathology*; D007415:Intestinal Obstruction / Q000473:pathology; D007511:Ischemia / Q000473:pathology; D009336:Necrosis; D012007:Rectum / Q000473:pathology*; D014511:Uremia / Q000473:pathology; D014657:Vasculitis / Q000473:pathology
D000900:Anti-Bacterial Agents