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accessory cell
(redirected from accessory cells)

   Also found in: Dictionary/thesaurus, Medical, Legal, Wikipedia 0.01 sec.
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.


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1 These cells are antigen-presenting immune accessory cells that are widely distributed in tissues as FDCs and as interdigitating dendritic or Langerhans cells in skin.
More specifically, because of the macrophage's phagocytosis activity and ubiquitous presence throughout the body, it is also important to assess the effect DU may have on macrophage function as accessory cells to T-lymphocyte activation/proliferation.
Introduction Nonlymphoid and nonphagocytic follicular dendritic cells are among the accessory cells of the lymphoid system.
 
 
 
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