Lymphatic System

Specific Defenses

How do T cells differ from B cells?

T cells and B cells are both lymphocytes, which respond to the presence of specific antigens. T cells arise from cells that originate in the bone marrow and then migrate to the thymus gland, where they mature. They are responsible for cellmediated immunity and attack specific foreign cells in the body. B cells develop in the red bone marrow. They are responsible for producing and secreting specific antibodies.


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