File:Antigen presentation.svg

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Description Antigen presentation stimulates T cells to activate "cytotoxic" CD8+ cells or "helper" CD4+ cells. Cytotoxic cells directly attack other cells carrying certain foreign or abnormal molecules on their surfaces. Helper T cells, or Th cells, coordinate immune responses by communicating with other cells. In most cases, T cells only recognize an antigen if it is carried on the surface of a cell by one of the body’s own MHC, or major histocompatibility complex, molecules.
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inception

30 July 2008

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Date/TimeThumbnailDimensionsUserComment
current00:19, 29 January 2011Thumbnail for version as of 00:19, 29 January 2011842 × 595 (38 KB)Mashin6
20:38, 11 July 2010Thumbnail for version as of 20:38, 11 July 2010500 × 447 (31 KB)SlashmeA closer approach to the original.
11:52, 30 July 2008Thumbnail for version as of 11:52, 30 July 2008835 × 750 (33 KB)Sjef{{Information |Description=Antigen presentation stimulates T cells to become either "cytotoxic" CD8+ cells or "helper" CD4+ cells. Cytotoxic cells directly attack other cells carrying certain foreign or abnormal molecules on their surfaces. Helper T cells

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