The sinking or lowering displacement of an abdominal organ, such as the intestine or kidney: The visceroptosis is a disease that exists in various degrees of severity and may show no symptoms at all. However it can result in a loss of appetite, heartburn, nervous dyspepsia (indigestion), constipation, or diarrhea, headache, vertigo (dizziness), emaciation (extreme weight loss), and the inability to sleep.