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Secretin: definition

A hormone made in the duodenum that causes the stomach to make pepsin, the liver to make bile, and the pancreas to make digestive juices.

Serotonin Agonists: definition

These drugs help the muscles in the intestines work correctly when a slow-moving digestive system is caused by low levels of serotonin. Serotonin is a neurotransmitter found mostly in the digestive tract.

Sitz Bath: definition

A special plastic tub that allows a person to sit in a few inches of warm water to help relieve the discomfort of hemorrhoids or anal fissures.