helper T cell

/ˌhɛlpər ti sɛl/
IPA guide

Definitions of helper T cell
  1. noun
    T cell with CD4 receptor that recognizes antigens on the surface of a virus-infected cell and secretes lymphokines that stimulate B cells and killer T cells; helper T cells are infected and killed by the AIDS virus
    synonyms: CD4 T cell, CD4 cell, helper cell
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    type of:
    T cell, T lymphocyte
    a small lymphocyte developed in the thymus; it orchestrates the immune system's response to infected or malignant cells
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