Dictionary
helper T cell
noun
Definition of HELPER T CELL
: a T cell that participates in an immune response by recognizing a foreign antigen and secreting lymphokines to activate T cell and B cell proliferation and that usually carries CD4 molecular markers on its cell surface —called also helper cell, T-helper cell
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First Known Use of HELPER T CELL
1974
Medical Dictionary
helper T cell
noun help·er T cell \ˌhel-pər-ˈtē-\
Medical Definition of HELPER T CELL
: a T cell that participates in an immune response by recognizing a foreign antigen and secreting lymphokines to activate T cell and B cell proliferation, that usually carries CD4 molecular markers on its cell surface, and that is reduced to 20 percent or less of normal numbers in AIDS—called also helper cell, helper lymphocyte, helper T lymphocyte; compare cytotoxic t cell, suppressor t cell
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