Necrosis is a general symptom where death of a portion of tissue differentially affected by local injury (as loss of blood supply, corrosion, burning, or the local lesion of a disease). [ url:http://www2.merriam-webster.com/cgi-bin/mwmednlm?book=Medical&va=necrosis ]
This is just here as a test because I lose it
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definition
Necrosis is a general symptom where death of a portion of tissue differentially affected by local injury (as loss of blood supply, corrosion, burning, or the local lesion of a disease).