definitions
T-Cells (n.)
1.(MeSH)Lymphocytes responsible for cell-mediated immunity. Two types have been identified - cytotoxic (T-LYMPHOCYTES, CYTOTOXIC) and helper T-lymphocytes (T-LYMPHOCYTES, HELPER-INDUCER). They are formed when lymphocytes circulate through the THYMUS GLAND and differentiate to thymocytes. When exposed to an antigen, they divide rapidly and produce large numbers of new T cells sensitized to that antigen.
synonyms
analogical dictionary
Lymphocytes, Lymphoid Cells[Hyper.]
T-Cells (n.)
[MeSH]
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