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| T-Lymphocytes, Helper-Inducer Helper Cells | Helper-Inducer T-Lymphocytes | Inducer Cells | T-Cells, Helper-Inducer | T-Lymphocytes, Helper | T-Lymphocytes, Inducer | Helper T-Cells | Helper Cell | Helper Inducer T Lymphocytes | Helper T Cells | Helper T-Cell | Inducer Cell Subpopulation of CD4+ lymphocytes that cooperate with other lymphocytes (either T or B) to initiate a variety of immune functions. For example, helper-inducer T-cells cooperate with B-cells to produce antibodies to thymus-dependent antigens and with other subpopulations of T-cells to initiate a variety of cell-mediated immune functions. |