| Name | nucleolus organizer region |
| ID | GO_0005731 |
| collection_id | Cellular component |
| Exact synonym | NOR, nucleolus organiser region |
| Description | A region of a chromosome where nucleoli form during interphase, and where genes encoding the largest rRNA precursor transcript are tandemly arrayed. |
| Related synonym | nucleolus organizer complex |
| External URL | |
| Genes |