T-helper cell

T-helper cell

n.

Immune system cells that produce lymphokines that regulate the activities of other immune system cells, such as T cells, B cells, and monocytes, that are necessary for the differentiating of B cells into antibody-producing cells, and that often decrease in concentration following HIV infection.

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T-helper cell

A type of cell that recognizes foreign antigens and activates T- and B-cells in an immune response.

Mentioned in: Immunoglobulin Deficiency Syndromes