单词 | antigenic variation |
释义 | antigenic variationantigenic variation[‚an·tə¦jen·ik ‚ver·ē′ā·shən]antigenic variationantigenic variationsuccessive changes in the surface ANTIGENS of certain MICROORGANISMS, resulting in a range of antigenically different forms. This can help a PATHOGEN, such as influenza virus, to avoid the host's immune defence system. See IMMUNITY. |
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