| CAR | Canadian Association of Radiologists; cancer-associated retinopathy; cardiac ambulation routine; cel... |
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| CAV | congenital absence of vagina; congenital adrenal virilism; constant angular velocity; croup-associat... |
| cmDNA | cytoplasmic membrane-associated deoxyribonucleic acid |
| DAG | diacylglycerol; dianhydrogalactitol; dystrophin-associated glycoprotein |
| DAM | data-associated message; degraded amyloid; diacetyl monoxime; diacetylmorphine |
| transplantation antigen | <immunology> Any antigen that is antigenically active in graft rejection. In practice the major histocompatibility complex and the H Y antigens and to a lesser extent minor histocompatibility antigens. (18 Nov 1997) |
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| Epithelial membrane antigen | <cell biology> Heavily glycosylated membrane glycoprotein. Encoded by the MUC 1 gene, has a molecular weight of around 300 kD, more than half of which is O linked glycan. There is a 69 residue cytoplasmic domain and the extracellular domain may extend hundreds of nanometres beyond the plasma membrane, the increased expression in carcinoma cells may reduce the adhesion and mask antigenic properties of the cells. Similar functions are ascribed to ASGP, epiglycanin and leucosialin. (18 Nov 1997) |
| tumour specific antigen | <immunology, oncology> Antigen on tumour cells detected by cell-mediated immunity. For virus transformed cells TSTA (unlike T antigen) is found to differ for different individual tumours induced by the same virus. May consist of fragments of T antigens exposed at the cell surface. (18 Nov 1997) |
| Js antigen | sutter Blood Group |
| K antigen | Capsular antigens of bacteria usually polysaccharide. (18 Nov 1997) |
| Fas antigen | <protein> Cell surface transmembrane protein (35 kD) that mediates apoptosis. Has structural homology with TNF receptor and NGF receptor. May play a part in negative selection of autoreactive T-cells in the thymus. (18 Nov 1997) |
| ki-67 antigen | A cell cycle and tumour growth marker which can be readily detected using immunocytochemistry methods. Ki-67 is a nuclear antigen present only in the nuclei of cycling cells. (12 Dec 1998) |
| Km antigen | Allotypic antigens that are present on human kappa immunoglobulin light chains. Synonym: InV group antigen. (05 Mar 2000) |
| Kveim antigen | A saline suspension of human sarcoid tissue prepared from the spleen of an individual with active sarcoidosis; used in the Kveim test. Synonym: Kveim-Stilzbach antigen. (05 Mar 2000) |
| Kveim-Stilzbach antigen | A saline suspension of human sarcoid tissue prepared from the spleen of an individual with active sarcoidosis; used in the Kveim test. Synonym: Kveim-Stilzbach antigen. (05 Mar 2000) |
| flagellar antigen | The heat-labile antigen's associated with bacterial flagella, in contrast to somatic antigen. See: H antigen. (05 Mar 2000) |
| Forssman antigen | A glycolipid heterophil antigen present on tissue cells of many species. It was first described for sheep red cells and is not present on human, rabbit, rat, porcine or bovine cells. (18 Nov 1997) |
| Forssman antigen-antibody reaction | The combination of Forssman antibody with heterogenetic antigen of the Forssman type, as in the agglutination of sheep erythrocytes (which contain Forssman antigen) by serum from a person with infectious mononucleosis which contains Forssman antibody. Synonym: Forssman reaction. (05 Mar 2000) |
| fos-related antigen | <molecular biology> A group of phosphoproteins found in the cell nucleus which are structurally similar to the fos oncogene's gene product. (06 Mar 1998) |
| leukocyte common antigen | Family of glycoproteins found on most leukocytes and absent from other cell types. These cell surface antigens can comprise up to 10% of the membrane proteins. (05 Mar 2000) |