T lymphocyte: Difference between revisions
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T lymphocytes (also known as T-cells) are a vital component in the immune response in the body. Their name derives from their site of origin - the thymus. | T lymphocytes (also known as T-cells) are a vital component in the [[immune response|immune response]] in the body. Their name derives from their site of origin - the [[thymus|thymus]]. T-cells have receptor proteins on their cell surface membranes, these allow them to identify specific [[antigens|antigens]] displayed by other cells, e.g. [[phagocytes|phagocytes]]. | ||
There are two types of T lymphocytes: helper T-cells and cytotoxic T-cells. The role of the helper T-cells is to assist other immune system cells, whilst the cytotoxic T-cells destroy cells which have been infected, e.g. by a virus or tumour. | There are two types of T lymphocytes: [[helper T-cells|helper T-cells]] and [[cytotoxic T-cells|cytotoxic T-cells]]. The role of the helper T-cells is to assist other immune system cells, whilst the cytotoxic T-cells destroy cells which have been infected, e.g. by a [[virus|virus]] or a [[tumour|tumour]]<ref>https://www.immunology.org/public-information/bitesized-immunology/cells/helper-and-cytotoxic-t-cells</ref><ref>https://www.immunology.org/public-information/bitesized-immunology/cells/helper-and-cytotoxic-t-cells</ref>. | ||
<references /> | === References === | ||
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Latest revision as of 09:20, 19 November 2018
T lymphocytes (also known as T-cells) are a vital component in the immune response in the body. Their name derives from their site of origin - the thymus. T-cells have receptor proteins on their cell surface membranes, these allow them to identify specific antigens displayed by other cells, e.g. phagocytes.
There are two types of T lymphocytes: helper T-cells and cytotoxic T-cells. The role of the helper T-cells is to assist other immune system cells, whilst the cytotoxic T-cells destroy cells which have been infected, e.g. by a virus or a tumour[1][2].