Dictionary

T cell

noun

Definition of T CELL

:  any of several lymphocytes (as a helper T cell) that differentiate in the thymus, possess highly specific cell-surface antigen receptors, and include some that control the initiation or suppression of cell-mediated and humoral immunity (as by the regulation of T and B cell maturation and proliferation) and others that lyse antigen-bearing cells —called also T lymphocyte — compare b cell

Origin of T CELL

thymus-derived cell
First Known Use: 1970
Medical Dictionary

T cell

noun

Medical Definition of T CELL

:  any of several lymphocytes (as a helper T cell) that differentiate in the thymus, possess highly specific cell-surface antigen receptors, and include some that control the initiation or suppression of cell-mediated and humoral immunity (as by the regulation of T and B cell maturation and proliferation) and others that lyse antigen-bearing cells—called also T lymphocyte; see cytotoxic t cell, helper t cell, suppressor t cell, t4 cell

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July 06, 2015
categorical Hear it
absolute or relating to a category
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