释义 |
DictionarySeeselectionnegative selection
negative selection[¦neg·əd·iv si′lek·shən] (immunology) The death of autoimmune lymphocytes shortly after they develop. Also known as clonal deletion. negative selection
negative selectionThe process by which immature T lymphocytes (thymocytes) with receptors for autoantigens are destroyed in the thymus. It is part of the mechanism that prevents autoimmune diseases. See: autoimmunitySee also: selection |