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Leukotriene

A type of mediator produced by cells of the immune system during hypersensitivity reactions; a potent inducer of bronchial contraction during asthma attacks.

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Lymphocytes

One of the central white blood cells in the immune response. The B lymphocytes, produce antibodies. T lymphocytes mediate different functions: one category of T lymphocytes collaborates with B lymphocytes to produce antibodies; another category kills foreign invading cells.

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Lymphocytes

One of the central white blood cells in the immune response. The B lymphocytes, produce antibodies. T lymphocytes mediate different functions: one category of T lymphocytes collaborates with B lymphocytes to produce antibodies; another category kills foreign invading cells.

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