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Definition of Demulcent

Demulcent: An agent that forms a soothing, protective film when administered onto a mucous membrane surface. For example, mucilage and oils are demulcents that can relieve irritation of the bowel lining.

Source: MedTerms™ Medical Dictionary
http://www.medicinenet.com/script/main/art.asp?articlekey=11142
Last Editorial Review: 3/19/2012

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