| Inbound Relationships | Type | Active | Source | Characteristic | Refinability | Group | 
| Protein antigen | Is a | True | Antigen | Inferred relationship | Existential restriction modifier |  | 
| Glycoprotein antigen | Is a | True | Antigen | Inferred relationship | Existential restriction modifier |  | 
| Peripheral nerve antigen | Is a | True | Antigen | Inferred relationship | Existential restriction modifier |  | 
| Antigens by type | Is a | True | Antigen | Inferred relationship | Existential restriction modifier |  | 
| Microbial antigen | Is a | True | Antigen | Inferred relationship | Existential restriction modifier |  | 
| Keratin antigen AE1 | Is a | True | Antigen | Inferred relationship | Existential restriction modifier |  | 
| Keratin antigen AE3 | Is a | True | Antigen | Inferred relationship | Existential restriction modifier |  | 
| Leukocyte common antigen | Is a | False | Antigen | Inferred relationship | Existential restriction modifier |  | 
| Leu-M5 antigen | Is a | False | Antigen | Inferred relationship | Existential restriction modifier |  | 
| JO-1 extractable nuclear antigen | Is a | True | Antigen | Inferred relationship | Existential restriction modifier |  | 
| Neuronal nuclear type 1 antigen | Is a | True | Antigen | Inferred relationship | Existential restriction modifier |  | 
| Proteinase 3 antigen | Is a | False | Antigen | Inferred relationship | Existential restriction modifier |  | 
| Histone antigen | Is a | True | Antigen | Inferred relationship | Existential restriction modifier |  | 
| Placental alkaline phosphatase antigen | Is a | True | Antigen | Inferred relationship | Existential restriction modifier |  | 
| Beta-2-microglobulin amyloid antigen | Is a | True | Antigen | Inferred relationship | Existential restriction modifier |  | 
| Immunoglobulin, L chain, kappa amyloid antigen | Is a | True | Antigen | Inferred relationship | Existential restriction modifier |  | 
| Immunoglobulin, L chain, lambda amyloid antigen | Is a | True | Antigen | Inferred relationship | Existential restriction modifier |  | 
| Peanut agglutinin antigen | Is a | True | Antigen | Inferred relationship | Existential restriction modifier |  | 
| Synaptophysin antigen | Is a | True | Antigen | Inferred relationship | Existential restriction modifier |  | 
| Prealbumin amyloid antigen | Is a | True | Antigen | Inferred relationship | Existential restriction modifier |  | 
| Erythrocyte antigen | Is a | True | Antigen | Inferred relationship | Existential restriction modifier |  | 
| Complement component C3 antigen | Is a | True | Antigen | Inferred relationship | Existential restriction modifier |  | 
| Complement C5b-9 antigen | Is a | True | Antigen | Inferred relationship | Existential restriction modifier |  | 
| T lymphocyte antigen | Is a | True | Antigen | Inferred relationship | Existential restriction modifier |  | 
| B lymphocyte antigen | Is a | True | Antigen | Inferred relationship | Existential restriction modifier |  | 
| Actin antigen | Is a | True | Antigen | Inferred relationship | Existential restriction modifier |  | 
| Alpha-1-fetoprotein antigen | Is a | True | Antigen | Inferred relationship | Existential restriction modifier |  | 
| Alpha lactalbumin antigen | Is a | True | Antigen | Inferred relationship | Existential restriction modifier |  | 
| Alpha>1< antichymotrypsin antigen | Is a | True | Antigen | Inferred relationship | Existential restriction modifier |  | 
| Alpha>1< antitrypsin antigen | Is a | True | Antigen | Inferred relationship | Existential restriction modifier |  | 
| Lutropin antigen | Is a | True | Antigen | Inferred relationship | Existential restriction modifier |  | 
| Lysozyme antigen | Is a | True | Antigen | Inferred relationship | Existential restriction modifier |  | 
| Keratin protein antigen | Is a | True | Antigen | Inferred relationship | Existential restriction modifier |  | 
| Myelin basic protein antigen | Is a | True | Antigen | Inferred relationship | Existential restriction modifier |  | 
| Myoglobin antigen | Is a | True | Antigen | Inferred relationship | Existential restriction modifier |  | 
| Prolactin antigen | Is a | True | Antigen | Inferred relationship | Existential restriction modifier |  | 
| Serum amyloid A protein antigen | Is a | True | Antigen | Inferred relationship | Existential restriction modifier |  | 
| Prostatic acid phosphatase antigen | Is a | True | Antigen | Inferred relationship | Existential restriction modifier |  | 
| Immunoglobulin M heavy chain antigen | Is a | True | Antigen | Inferred relationship | Existential restriction modifier |  | 
| Serotonin antigen | Is a | True | Antigen | Inferred relationship | Existential restriction modifier |  | 
| Somatostatin antigen | Is a | True | Antigen | Inferred relationship | Existential restriction modifier |  | 
| Somatotropin antigen | Is a | True | Antigen | Inferred relationship | Existential restriction modifier |  | 
| Thyroglobulin antigen | Is a | True | Antigen | Inferred relationship | Existential restriction modifier |  | 
| Thyrotropin antigen | Is a | True | Antigen | Inferred relationship | Existential restriction modifier |  | 
| Trypsin antigen | Is a | True | Antigen | Inferred relationship | Existential restriction modifier |  | 
| Ulex europeaus I antigen | Is a | True | Antigen | Inferred relationship | Existential restriction modifier |  | 
| Vimentin antigen | Is a | True | Antigen | Inferred relationship | Existential restriction modifier |  | 
| Follitropin, beta subunit antigen | Is a | True | Antigen | Inferred relationship | Existential restriction modifier |  | 
| Calcitonin antigen | Is a | True | Antigen | Inferred relationship | Existential restriction modifier |  | 
| Choriogonadotropin antigen | Is a | True | Antigen | Inferred relationship | Existential restriction modifier |  | 
| Chromogranin A antigen | Is a | True | Antigen | Inferred relationship | Existential restriction modifier |  | 
| Chromogranin antigen | Is a | True | Antigen | Inferred relationship | Existential restriction modifier |  | 
| Chymotrypsin antigen | Is a | True | Antigen | Inferred relationship | Existential restriction modifier |  | 
| Collagen type IV antigen | Is a | True | Antigen | Inferred relationship | Existential restriction modifier |  | 
| Amyloid P component antigen | Is a | True | Antigen | Inferred relationship | Existential restriction modifier |  | 
| Platelet-specific antigen | Is a | True | Antigen | Inferred relationship | Existential restriction modifier |  | 
| Tumor antigen | Is a | False | Antigen | Inferred relationship | Existential restriction modifier |  | 
| Lymphocyte antigen | Is a | True | Antigen | Inferred relationship | Existential restriction modifier |  | 
| Blood group antigen | Is a | True | Antigen | Inferred relationship | Existential restriction modifier |  | 
| Factor VIII antigen | Is a | True | Antigen | Inferred relationship | Existential restriction modifier |  | 
| Human leukocyte antigen | Is a | True | Antigen | Inferred relationship | Existential restriction modifier |  | 
| Fetal antigen | Is a | True | Antigen | Inferred relationship | Existential restriction modifier |  | 
| Tumor-associated antigen | Is a | True | Antigen | Inferred relationship | Existential restriction modifier |  | 
| Red cell antigen phenotyping, blood product unit | Has measured component | False | Antigen | Inferred relationship | Existential restriction modifier |  | 
| Red cell antigen phenotyping, patient red cells | Has measured component | False | Antigen | Inferred relationship | Existential restriction modifier |  | 
| Immunomeasurement for infectious agent antigen, single step method, qualitative or semi-quantitative | Has measured component | False | Antigen | Inferred relationship | Existential restriction modifier |  | 
| Immunomeasurement for infectious agent antigen, multiple step method, qualitative or semi-quantitative | Has measured component | False | Antigen | Inferred relationship | Existential restriction modifier |  | 
| Microbial antigen assay by radioimmunoassay method | Has measured component | False | Antigen | Inferred relationship | Existential restriction modifier |  | 
| Microbial antigen assay by immunofluorescence method | Has measured component | False | Antigen | Inferred relationship | Existential restriction modifier |  | 
| Microbial antigen assay by latex agglutination method | Has measured component | False | Antigen | Inferred relationship | Existential restriction modifier |  | 
| Microbial antigen assay by enzyme immunoassay method | Has measured component | False | Antigen | Inferred relationship | Existential restriction modifier |  | 
| Microbial antigen assay by immunoassay method | Has measured component | False | Antigen | Inferred relationship | Existential restriction modifier |  | 
| Microbial antigen assay by immunodiffusion method | Has measured component | False | Antigen | Inferred relationship | Existential restriction modifier |  | 
| Febrile agglutinins measurement, Brucella, Francisella, Murine typhus, Q fever, Rocky Mountain Spotted Fever, scrub typhus | Has measured component | False | Antigen | Inferred relationship | Existential restriction modifier |  | 
| Human leukocyte antigen isotype determination | Has measured component | False | Antigen | Inferred relationship | Existential restriction modifier |  | 
| Hepatitis A antigen screening | Has measured component | False | Antigen | Inferred relationship | Existential restriction modifier |  | 
| Hepatitis B antigen screening | Has measured component | False | Antigen | Inferred relationship | Existential restriction modifier |  | 
| Febrile agglutinins, quantitative | Has measured component | False | Antigen | Inferred relationship | Existential restriction modifier |  | 
| Detection of lymphocytes positive for both CD3 antigen and CD4 antigen | Has measured component | False | Antigen | Inferred relationship | Existential restriction modifier |  | 
| Detection of lymphocytes positive for CD4 antigen | Has measured component | False | Antigen | Inferred relationship | Existential restriction modifier |  | 
| Detection of lymphocytes positive for both CD4 antigen and CD25 antigen | Has measured component | False | Antigen | Inferred relationship | Existential restriction modifier |  | 
| Detection of lymphocytes positive for both CD4 antigen and CD29 antigen | Has measured component | False | Antigen | Inferred relationship | Existential restriction modifier |  | 
| Detection of lymphocytes positive for both CD4 antigen and CD45RA antigen | Has measured component | False | Antigen | Inferred relationship | Existential restriction modifier |  | 
| Detection of lymphocytes positive for both CD4 antigen and human leukocyte antigen DR | Has measured component | False | Antigen | Inferred relationship | Existential restriction modifier |  | 
| Human leukocyte antigen A antigen phenotyping | Has measured component | False | Antigen | Inferred relationship | Existential restriction modifier |  | 
| Human leukocyte antigen A AND B antigen phenotyping | Has measured component | False | Antigen | Inferred relationship | Existential restriction modifier |  | 
| Human leukocyte antigen A, B, AND Bw antigen phenotyping | Has measured component | False | Antigen | Inferred relationship | Existential restriction modifier |  | 
| Human leukocyte antigen A, B, AND C antigen phenotyping | Has measured component | False | Antigen | Inferred relationship | Existential restriction modifier |  | 
| Human leukocyte antigen B antigen phenotyping | Has measured component | False | Antigen | Inferred relationship | Existential restriction modifier |  | 
| Human leukocyte antigen C antigen phenotyping | Has measured component | False | Antigen | Inferred relationship | Existential restriction modifier |  | 
| Human leukocyte antigen DP antigen phenotyping | Has measured component | False | Antigen | Inferred relationship | Existential restriction modifier |  | 
| Human leukocyte antigen DQ typing | Has measured component | False | Antigen | Inferred relationship | Existential restriction modifier |  | 
| Human leukocyte antigen DQ alpha antigen phenotyping | Has measured component | False | Antigen | Inferred relationship | Existential restriction modifier |  | 
| Human leukocyte antigen DR antigen phenotyping | Has measured component | False | Antigen | Inferred relationship | Existential restriction modifier |  | 
| Human leukocyte antigen DR beta antigen phenotyping | Has measured component | False | Antigen | Inferred relationship | Existential restriction modifier |  | 
| Human leukocyte antigen DR AND DQ antigen phenotyping | Has measured component | False | Antigen | Inferred relationship | Existential restriction modifier |  | 
| Human leukocyte antigen typing (procedure) | Has measured component | False | Antigen | Inferred relationship | Existential restriction modifier |  | 
| Giardia lamblia 65 antigen assay | Has measured component | False | Antigen | Inferred relationship | Existential restriction modifier |  | 
| Human immunodeficiency virus 1 antigen assay | Has measured component | False | Antigen | Inferred relationship | Existential restriction modifier |  | 
| Human immunodeficiency virus 1 p24 antigen assay | Has measured component | False | Antigen | Inferred relationship | Existential restriction modifier |  | 
| Sarcocystis neurona antigen assay | Has measured component | False | Antigen | Inferred relationship | Existential restriction modifier |  |