| 释义 |
DictionarySeevariationantigenic variation
antigenic variation[‚an·tə¦jen·ik ‚ver·ē′ā·shən] (immunology) Alteration of an antigen on the surface of a microorganism; may enable a pathogenic mocroorganism to evade destruction by the host's immune system. antigenic variation
antigenic variation successive 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. |