T-helper-cell
noun, Immunology.
1.
helper T cell.
helper T cell
noun, Immunology.
1.
a T cell that stimulates B cells to produce antibody against a foreign substance, using lymphokines or direct contact as a signal.
helper T cell also helper cell
(hěl’pər)
Any of various T cells that, when stimulated by a specific antigen, release lymphokines that promote the activation and function of B cells and killer T cells.
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