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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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Source Own work (Original text: self made, http://commons.wikimedia.org/wiki/Image:Antigen_presentation.jpg)
Author user:Sjef
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GNU head Permission is granted to copy, distribute and/or modify this document under the terms of the GNU Free Documentation License, Version 1.2 or any later version published by the Free Software Foundation; with no Invariant Sections, no Front-Cover Texts, and no Back-Cover Texts. A copy of the license is included in the section entitled GNU Free Documentation License.
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inception

30 July 2008

media type

image/svg+xml

checksum

7df58905e1bfd42426acf6e061b80245ce26b821

determination method or standard: SHA-1

data size

38,925 byte

height

595 pixel

width

842 pixel

File history

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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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