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Unformatted text preview: 27/03/2007 10:56:00 Lymphocytes 2 kinds: T cells and B cells NK (natural killer) cells = immunological surveillance o and destroy damaged/foreign cells interferons (cytokines) = proteins released by virally infected cells o they trigger antiviral protein production o alpha produced by leukocytes o beta o ___ complement system actions of antibodies: (this deals with most viral infections) neutralization agglutination and precipitation activation of ceomplement attraction of phagocytes (to eat the __) stimulation of inflammation prevention of adhesion 7 nonspecific defenses specific defenses cellular AND noncellular attacks occur simultaneously 27/03/2007 10:56:00 27/03/2007 10:56:00 ...
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