T cells are a subset of lymphocytes that play a large role in the immune response.
The abbreviation "T" stands for thymus, the organ in which their final stage of development occurs.
Every effective immune response involves T cell activation; however, T cells are especially important in cell-mediated immunity, which is the defense against tumor cells and pathogenic organisms inside body cells.
For more information about the topic T cell, read the full article at Wikipedia.org, or see the following related articles:
Editor's Note: This article is not intended to provide medical advice, diagnosis or treatment.
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