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Definition of Osteonecrosis

Osteonecrosis: Bone death resulting from poor blood supply to an area of bone. Also known as aseptic necrosis or avascular necrosis.

Source: MedTerms™ Medical Dictionary
http://www.medterms.com/script/main/art.asp?articlekey=4682
Last Editorial Review: 3/26/1998 2:27:00 PM

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