• A general term for two disorders, ulcerative colitis and Crohn's disease, that cause the intestines to become swollen and inflamed. Often referred to as IBD.
  Harvard Dictionary of Health Terms
  Harvard Medical Publishing, 2011
• A general term that refers to the inflammation of the colon and rectum. Inflammatory bowel disease includes ulcerative colitis and Crohn's disease.
  NCI Dictionary of Cancer Terms
  U.S. National Cancer Institute, 2021
• A spectrum of small and large bowel inflammatory diseases of unknown etiology. It includes Crohn's disease, ulcerative colitis, and colitis of indeterminate type.
  NCI Thesaurus
  U.S. National Cancer Institute, 2021
• Chronic inflammatory process affecting the gastrointestinal tract; primarily ulcerative colitis and Crohn's disease.
  NICHD Pediatric Terminology
  U.S. National Cancer Institute, 2021
• Chronic, non-specific inflammation of the GASTROINTESTINAL TRACT. Etiology may be genetic or environmental. This term includes CROHN DISEASE and ULCERATIVE COLITIS.
  NLM Medical Subject Headings
  U.S. National Library of Medicine, 2021
• Inflammatory bowel disease (IBD), which includes Crohn disease and ulcerative colitis, is a relapsing and remitting condition characterized by chronic inflammation at various sites in the gastrointestinal tract, which results in diarrhea and abdominal pain.
  Merck Manuals
  Merck & Co., Inc., 2020
• Inflammatory bowel disease (IBD) is an idiopathic disease caused by a dysregulated immune response to host intestinal microflora. The 2 major types of IBD are ulcerative colitis (UC), which is limited to the colon, and Crohn disease (CD), which can involve any segment of the gastrointestinal (GI) tract from the mouth to the anus, involves
  Medscape
  WebMD, 2019
• Inflammatory bowel disease (IBD) is an umbrella term used to describe disorders that involve chronic inflammation of your digestive tract.
  Mayo Clinic
  Mayo Foundation for Medical Education and Research