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Medical Definition of Hypersensitive response
1. An active response of plant cells to pathogenic attack in which the cell undergoes rapid necrosis and dies. Associated with the production of phytoalexins, lignin and sometimes callose. The response is thought to prevent a potential pathogen from spreading through the tissues. This entry appears with permission from the Dictionary of Cell and Molecular Biology (11 Mar 2008)
Lexicographical Neighbors of Hypersensitive Response
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