Definition of T-lymphocyte in English:



  • A lymphocyte of a type produced or processed by the thymus gland and actively participating in the immune response.

    Compare with B-lymphocyte
    Also called T-cell
    • ‘The number of inflammatory cells generally increased toward the periphery, but the percentage of T-lymphocytes, eosinophils, monocytes/macrophages, and neutrophils remained similar or decreased from large to small airways.’
    • ‘It enhances the immune system by stimulating T-lymphocytes and increasing interleukin - 2 production.’
    • ‘For a while, the body manages to keep producing enough T-lymphocytes to keep the immune system working properly.’
    • ‘Nevertheless, there were no large differences between T-lymphocytes, macrophages, neutrophils, eosinophils, and mast cells numbers and percentages in distal lung regions of normal subjects.’
    • ‘Some tumors cause apoptosis in T-lymphocytes thus preventing the immune system from rejecting them.’


1970s: from T for thymus.