![](https://webarchive.library.unt.edu/eot2008/20081103093919im_/http://www.nci.nih.gov/images/spacer.gif) |
|
(HYOO-mun LOO-koh-SITE AN-tih-jen)
![](https://webarchive.library.unt.edu/eot2008/20081103093919im_/http://www.nci.nih.gov/images/spacer.gif)
| 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 human leukocyte antigen tests are done before organ transplantation to find out if tissues match between a donor and a recipient. Also called HLA and human lymphocyte antigen. |
Previous Definitions: | HuLuc63, human corticotropin-releasing factor, human epidermal growth factor receptor 2, human herpesvirus 8, human immunodeficiency virus | Next Definitions: | human lymphocyte antigen, human papillomavirus, human papillomavirus vaccine, human T-cell leukemia virus type 1, human T-cell lymphotropic virus type 1 |
|
![](https://webarchive.library.unt.edu/eot2008/20081103093919im_/http://www.nci.nih.gov/images/spacer.gif) |