Gastroenterology
Gastroenterology emphases on digestive system and its syndromes which contain numerous organs from mouth to anus, along with alimentary canal. It comprises a detailed understanding of the physiology of the gastrointestinal organs as well as the motility of food through the stomach and intestine, the digestion and absorption of nutrients into the body, removal of waste from the digestive system, and the function of the liver as a digestive organ.