Definition of Prostaglandin
Prostaglandin: One of a number of hormone-like substances that participate in a wide range of body functions such as the contraction and relaxation of smooth muscle, the dilation and constriction of blood vessels, control of blood pressure, and modulation of inflammation. Prostaglandins are derived from a chemical called arachidonic acid.Source: MedTerms™ Medical Dictionary
Last Editorial Review: 8/28/2013
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