| HN | Haemagglutinin-Neuraminidase |
|---|---|
| HN | Hereditary nephritis |
| hn | Heterogeneous nuclear |
| hn | Heteronuclear |
| HN | Heymann nephritis |
| HN | Hyaluronectin |
| HN | Hyperplastic nodules |
| HN | haemagglutinin-neuraminidase protein |
| hn-RNA | Heteronuclear RNA |
| HNA | Heparin neutralizing activity |