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*Veiled cells enter the paracortical region of the [[Lymph Nodes - Anatomy & Physiology|lymph node]] where they present antigen to [[Lymphocytes - WikiBlood#T cells|T cells]]. They are now called '''Interdigitating Dendritic Cells'''
*Veiled cells enter the paracortical region of the [[Lymph Nodes - Anatomy & Physiology|lymph node]] where they present antigen to [[Lymphocytes - WikiBlood#T cells|T cells]]. They are now called '''Interdigitating Dendritic Cells'''
==TH<sub>1</sub> Cells==
* TH<sub>1</sub> cells secrete a range of cytokines.
* TH<sub>1</sub> cells secrete a range of cytokines.
*** Can act to suppress antibody synthesis.
*** Can act to suppress antibody synthesis.
==TH<sub>2</sub> Cells==
* The TH2 population influences B-cell activation, proliferation and immunoglobulin production.
* The TH2 population influences B-cell activation, proliferation and immunoglobulin production.
*** Promotes immunoglobulin synthesis.
*** Promotes immunoglobulin synthesis.
==Common Functions of Th<sub>1</sub> and TH<sub>2</sub> Cells==
* Both TH1 and TH2 cells produce IL-3 and granulocyte-macrophage colony stimulating factor (GM-CSF).
* Both TH1 and TH2 cells produce IL-3 and granulocyte-macrophage colony stimulating factor (GM-CSF).