Best Answer: The peripheral nervous system, which it is a component of. The sympathetic and parasympathetic systems are components of the autonomic nervous system.
Also, make the call if: 1  Constipation is a new problem for you. 2  You have blood in your stool. 3  You are losing weight even though you are not dieting.  You have severe pain with bowel 1  movements. Your constipation has lasted more than 2 weeks.  You have pencil-thin stools.
Chronic constipation is usually defined as constipation that lasts at least six months. Idiopathic means that it is not due to an identifiable cause. Before you are diagnosed with chronic idiopathic constipation, your healthcare provider will make sure your problems are not due to one of the causes of constipation, such as other diseases or medications.