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What is Inflammation?

By , About.com Guide

Updated February 01, 2005

About.com Health's Disease and Condition content is reviewed by the Medical Review Board

Definition: Inflammation is an immune response to injury or infection causing pain, redness, heat, and swelling in the affected area.
Pronunciation: in-flum-ay-shun
Common Misspellings: inflamation, innflammation, innflamation
Examples:
My knee is showing signs of redness and inflammation.

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