Antigen - Any part of an organism or substance that is recognised as non-self, B lymphocytes - A type of white blood cell that are associated with humoral immunity. They mature in the bone marrow., T lymphocytes - A type of white blood cells associated with cell mediated immunity. They mature in the thymus gland., Cell mediated immunity - A type of immunity where white blood cells response to antigens presented on body cells., Antigen-presenting cells - A Cell that displays foreign antigen on their surface, Cytotoxic T cells - A type of t cell which kill abnormal cell by releasing perforin that makes holes in cell membranes., T Helper Cell - A type of T cell that aids the production of B cells,

A Level Biology Chapter 5- 5.3

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