helper cell

Từ điển WordNet v3.1 - WordNet Dictionary

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
• Syn:
helper T cell, CD4 T cell, CD4 cell
• Hypernyms:
T cell, T lymphocyte