• Hard, pebble-like deposits that form within the gallbladder.
  Human Phenotype Ontology (HPO)
  The Human Phenotype Ontology Project, 2021
• Presence or formation of GALLSTONES in the BILIARY TRACT, usually in the gallbladder (CHOLECYSTOLITHIASIS) or the common bile duct (CHOLEDOCHOLITHIASIS).
  NLM Medical Subject Headings
  U.S. National Library of Medicine, 2021
• Presence or formation of gallstones in the gallbladder.
  CRISP Thesaurus
  National Institutes of Health, 2006
• The presence of calculi in the gallbladder.
  NCI Thesaurus
  U.S. National Cancer Institute, 2021
• Cholelithiasis is the presence of one or more calculi (gallstones) in the gallbladder. In developed countries, about 10% of adults and 20% of people > 65 years have gallstones. Gallstones tend to be asymptomatic. The most common symptom is biliary colic; gallstones do not cause dyspepsia or fatty food intolerance. More serious...
  Merck Manuals
  Merck & Co., Inc., 2020
• Cholelithiasis is the presence of solid concretions in the gallbladder. Gallstones form in the gallbladder but may exit into the bile ducts (choledocholithiasis). Symptoms ensue if a stone obstructs the cystic, bile, or pancreatic duct. Most gallstones (>90%) in developed countries consist of cholesterol. Cholesterol gallstone formation...
  Epocrates
  Athenahealth, Inc., 2019