Screenshot showcasing some of the information found in the NCI Thesaurus. The table shows the tabs from left to right: Terms & Properties, Synonym Details, Relationships, Mappings, View All. The “Synonym Details” tab is expanded to show the following “Synonym Detail” information. 1. Term= Antigen NY-CO-13, Source = NCI, Type = SY; 2. Term = Cellular Tumor Antigen, Source = CTRP, Type = DN; 3. Term = Cellular Tumor Antigen P53, Source = NCI, Type = PT; 4. Term = Celular Tumor Anitgen p52, Source = caDSR, Type = SY; 5. Term = P53 Protein, Source = NCI, Type =SY; 6. Term = P53 Tumor Suppressor, Source =NCI, Type = SY; 7. Term = P53, Source = CPTAC, Type = PT; 8. Term = P53, Source =NCI, Type =SY; 9. Term = Phosphoprotein P53, Source = NCI, Type = SY; 10. Term = Phosphoprotein P53, Source = NCI, Type = SY; 11. Term = TP53, Source = NCI, Type = SY; 12. Term = Transformation-Related Protein 53, Source = NCI, Type = SY; 13. Term = Tumor Protein p53, Source = NCI, Type = SY; 14. Term = Tumor Suppressor p53, Source = NCI, Type = SY.

Figure 1. Sample shows a “concept” (Cellular Tumor Antigen p53) and the many synonyms that represent that same concept.