Gastroenterology or Gastrology might be better described as the field of digestive diseases, which are traditionally separated by anatomic or functional category. For example, disorders of the esophagus might be listed under "esophagus" and also included in a description of motility disorders (disorders of motor function.)

List of gastrenterological diseases :

• appendicitis
• coeliac disease
• Crohn's disease
• Hirschprung's disease
• lactose intolerance
• irritable bowel syndrome
• ulcerative colitis

List of signs and symptoms of gastrenterological diseases :

• constipation
• diarrhea
• vomiting
• nausea
• abdominal pain