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June 20, 2013
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Definition of Serration

Serration: A finely notching like that along the cutting edge of a saw. The serratus muscles take their name from their serrated appearance. See: Serratus anterior; Serratus magnus; Serratus posterior inferior; Serratus posterior superior.

Source: MedTerms™ Medical Dictionary
http://www.medterms.com/script/main/art.asp?articlekey=40398
Last Editorial Review: 10/9/2012

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