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Glossary: CD4-positive T lymphocyte, Masonic Cancer Center, University of Minnesota

CD4-positive T lymphocyte

(… PAH-zih-tiv … LIM-foh-site)

A type of immune cell that stimulates killer T cells, macrophages, and B cells to make immune responses. A CD4-positive T lymphocyte is a type of white blood cell and a type of lymphocyte. Also called helper T cell.