human lymphocyte antigen

HLA. One of a group of proteins found on the surface of white blood cells and other cells that play an important part in the body's immune response to foreign substances. These antigens vary from person to person, and an HLA test is done before organ transplantation to find out if tissues match between a donor and a recipient. Also called HLA and human leukocyte antigen.

English dictionary of cancer terms . 2015.

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  • human leukocyte antigen — HLA. One of a group of proteins found on the surface of white blood cells and other cells that play an important part in the body s immune response to foreign substances. These antigens vary from person to person, and an HLA test is done before… …   English dictionary of cancer terms

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  • Lymphocyte — A lymphocyte is a type of white blood cell in the vertebrate immune system. By their appearance under the light microscope, there are two broad categories of lymphocytes, namely the large granular lymphocytes and the small lymphocytes.… …   Wikipedia

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  • human disease — Introduction       an impairment of the normal state of a human being that interrupts or modifies its vital functions. health versus disease       Before human disease can be discussed, the meanings of the terms health, physical fitness, illness …   Universalium

  • antigen — Any substance that, as a result of coming in contact with appropriate cells, induces a state of sensitivity and/or immune responsiveness after a latent period (days to weeks) and that reacts in a demonstrable way with antibodies and/or immune… …   Medical dictionary

  • Human T-lymphotropic virus — Taxobox name = PAGENAME virus group = vi familia = Retroviridae subfamilia = Orthoretrovirinae genus = Deltaretrovirus species = Simian T lymphotropic virus subdivision ranks = Serotypes subdivision = Human T lymphotropic virus Human T… …   Wikipedia

  • lymphocyte — A white blood cell formed in lymphatic tissue throughout the body ( e.g., lymph node s, spleen, thymus, tonsils, Peyer patches, and sometimes in bone marrow) and in …   Medical dictionary

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