Acid reflux; Backflow of stomach acid into the esophagus; Refluxus = a flowing back; LatinAppendicitis; Inflammation of the appendix; Appendix = a small, finger-shaped pouch; LatinBarrett's esophagus; A condition in which the lining of the esophagus changes from normal squamous cells to columnar cells; Barrett = named after Norman Barrett, the British doctor who first described the condition; EnglishCeliac disease; An autoimmune disorder that damages the small intestine when gluten is eaten; Celiacus = of the abdomen; LatinConstipation; Difficulty passing stool; Constipatio = a stopping up; LatinColitis; Inflammation of the colon; Colon = large intestine; LatinCrohn's disease; A chronic inflammatory bowel disease that can affect any part of the digestive tract; Crohn = named after Burrill Crohn, the American doctor who first described the condition; EnglishDiarrhea; Frequent, loose, watery stools; Dia = through, throughly; GreekDiverticulosis; The presence of small pouches (diverticula) in the wall of the colon Diverticulum = a small sac or pouch; LatinDyspepsia; Indigestion; Dys = bad, difficult; GreekEsophagitis; Inflammation of the esophagus; Oesophagus = gullet; GreekGallstones; Hard deposits that form in the gallbladder; Gall = bile; LatinGastritis; Inflammation of the stomach lining; Gaster = stomach; GreekGastroesophageal reflux disease (GERD); A condition in which stomach acid backs up into the esophagus; Gastro = stomach; GreekHemorrhoids; Enlarged veins in the rectum or anus; Haemorrhoida = a bursting forth of blood; GreekIrritable bowel syndrome (IBS); A chronic disorder that affects the large intestine; Irritabilis = easily irritated; LatinUlcerative colitis; A chronic inflammatory bowel disease that affects the colon; Ulcer = an open sore; Latin