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accessory cell |
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accessory cell [ak′ses·ə·rē ‚sel] (botany) A morphologically distinct epidermal cell adjacent to, and apparently functionally associated with, guard cells on the leaves of many plants. (immunology) Any nonlymphocytic cell that helps in the induction of the immune response by presenting antigen to a helper T lymphocyte. How to thank TFD for its existence? Tell a friend about us, add a link to this page, add the site to iGoogle, or visit webmaster's page for free fun content. |
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