Gastroenterologyis the study of normal functioning, diagnosis and treatment of stomach andintestinal disorders. The digestive track that starts from the mouth and runs up to the anus, encompasses of various organs such as alimentary canal, esophagus, colon, rectum, pancreas, gallbladder, bile ducts, liver, duodenum, small intestine and large intestine. There are various accessory organs that assist the tract by secreting enzymes to help break down food into its componentnutrients. Thus the salivary glands, liver, pancreas and gall bladder have important functions in the digestive system. Gastroenterology deals with the functioning of each organ in thedigestive systemwhile focusing on various diseases that may attack them. Gastroenterology facilitates a thorough understanding of the digestion process, absorption of nutrient values, and excretion. It also discusses the diseases that may affect these organs including polyps, cancer, ulcers,hepatitis, and refluxes.