Examlex
What is NOT a component of saliva?
Specificity
The ability of a test or method to correctly identify those without the condition or trait being tested for, minimizing false positives.
Helper T Cells
A type of T cell that plays a critical role in the immune system by activating and directing other immune cells, such as macrophages, B cells, and cytotoxic T cells.
Cytokines
Small proteins important in cell signaling that are released by cells and affect the behavior of other cells, often involved in immune responses.
Clonal Selection
A theory in immunology that explains how antigens selectively bind to specific receptors on immune cells, leading to the activation and proliferation of these cells.
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