Weblinks

Activation of Cytotoxic T cells

Animation showing a viral antigens being synthesized in a host cell and processed to the cell surface on MHC I molecules. Cytotoxic T cell recognizes the foreign viral antigen and kills the host cell.
http://www.hhmi.org/biointeractive/media/antigen_ctl-sm.mov

Lectin Complement Activation Pathway Animation

Animation that illustrates how lectins activate the complement pathway.
http://student.ccbcmd.edu/courses/bio141/lecguide/unit4/innate/lectin_flash.html