• An infection that develops in the diverticula of the intestinal tract. Signs and symptoms include abdominal pain, fever, and leukocytosis.
  NCI
  U.S. National Cancer Institute, 2021
• Inflammation of a DIVERTICULUM or diverticula.
  NLM Medical Subject Headings
  U.S. National Library of Medicine, 2025
• Inflammation of one or more pouches or sacs that bulge out from the wall of a hollow organ, such as the colon. Symptoms include muscle spasms and cramps in the abdomen.
  NCI Dictionary of Cancer Terms
  U.S. National Cancer Institute, 2021
• The bulging out of small pouches or sacs of tissue from the colon wall.
  Harvard Dictionary of Health Terms
  Harvard Medical Publishing, 2011
• Diverticulitis is inflammation of one or more balloon-like sacs (diverticula). Infection may or may not develop. Diverticulitis usually affects the large intestine (colon).
  Merck Manuals
  Merck & Co., Inc., 2025
• Diverticulitis is inflammation, infection, or both of one or more balloon-like sacs (diverticula).
  Merck Manuals
  Merck & Co., Inc., 2025
• Diverticular disease includes a spectrum of conditions ranging from asymptomatic diverticular disease, to symptomatic uncomplicated diverticular disease, to and complicated diverticular disease that includes acute and chronic diverticulitis. Diverticulitis is defined as an inflammation of one or more diverticula, which are small pouches...
  Medscape
  WebMD, 2025
• Diverticula are small, bulging pouches that can form in the lining of your digestive system. They are found most often in the lower part of the large intestine (colon). Diverticula are common, especially after age 40, and seldom cause problems.
  Mayo Clinic
  Mayo Foundation for Medical Education and Research, 2025