Accessory digestive organ: An organ that helps with digestion but is not part of the digestive tract. The accessory digestive organs are the tongue, salivary glands, pancreas, liver, and gallbladder. QUESTION Pancreatitis is inflammation of an organ in the abdomen called the pancreas. See Answer From Digestive Disorders Resources What Is Exocrine Pancreatic Insufficiency?Timeline of Liver Donor Recovery How Ulcerative Colitis Affects Your Colon Featured Centers Good and Bad Foods for PsoriasisVideo: Getting Personal on Life With MS Health Solutions From Our Sponsors Shot-Free MS Treatment Your Child and COVID-19