Abnormal increase or decrease of total or subset T cell count. T cells are commonly characterized as CD3+ lymphocytes, or their subpopulations, in the blood, compared to a reference range for a given sex and age-group, measured ex vivo. These may include both TCR alpha/beta and gamma/delta T cells.
Comment:
T-cells are lymphocytes whose principle function in the adaptive immune system is to mediate cell-mediated immunity.
Synonyms:
exact_synonym:
Abnormal T cells; Abnormality of T cells; Cellular immune defect; Defective cellular immunity