helper : Idioms & Phrases
helper cell
-
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
CD4 T cell; helper cell; CD4 cell.
WordNet
helper t cell
-
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
CD4 T cell; helper cell; CD4 cell.
WordNet
plumber's helper
-
noun hand tool consisting of a stick with a rubber suction cup at one end; used to clean clogged drains
plunger.