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Gender differences in play behavior, for example, are much more obvious in groups of boys and groups of girls than they are when individual boys and girls are tested in the laboratory.
Cell-Mediated Immunity
A form of immune response that does not involve antibodies, but rather involves the activation of phagocytes, antigen-specific cytotoxic T-lymphocytes, and the release of various cytokines in response to an antigen.
Memory Cells
Specialized immune cells that remain in the body after an initial exposure to an antigen, providing immunity by responding more rapidly and effectively to subsequent exposures.
Antibody-Mediated Immunity
A component of the adaptive immune system where B cells produce antibodies to identify and neutralize foreign substances like bacteria and viruses.
Cell-Mediated Immunity
A type of immunity where T lymphocytes directly attack and destroy infected or abnormal cells.
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