ALL meanings of t-cell
t-cell
T t - noun t-cell any of several closely related lymphocytes, developed in the thymus, that circulate in the blood and lymph and orchestrate the immune system's response to infected or malignant cells, either by lymphokine secretions or by direct contact: helper T cells recognize foreign antigen on the surfaces of other cells, then they stimulate B cells to produce antibody and signal killer T cells to destroy the antigen-displaying cells; subsequently suppressor T cells return the immune system to normal by inactivating the B cells and killer T cells. 1
- countable noun t-cell A T-cell is a type of white blood cell. 0
- noun t-cell any of the lymphocytes that are affected by the thymus and are involved in rejecting foreign tissue, regulating cellular immunity, and controlling the production of antibodies in the presence of an antigen 0